Discover our tutors

3939 tutors available

Excellent (4.7)

1.9 million student reviews

The list of tutors

Taylor

Rochester, United States ( face to face & webcam )

Guitar student with ten years experience seeking to help others become less frustrated while playing any style of guitar

₦27212/h
1^st lesson free

Noah

Bristol, United Kingdom ( webcam )

Music student with teaching experience offering electric, classical or acoustic guitar tutoring.

₦27491/h
1^st lesson free

Deon

Kempton Park, South Africa ( webcam )

Skilled professional musician with 20 years playing and teaching experience here to help you reach your dreams of playing guitar.

₦41289/h
1^st lesson free

Ethan

Birmingham, United Kingdom ( webcam )

Rock bassist of 5 years looking to give lessons to beginner students

₦27491/h
1^st lesson free

Andrea

London, United Kingdom ( webcam )

Online guitar lessons by skype or zoom. 100% refound if you won't like it

₦45818/h
1^st lesson free

Greg

Chertsey, United Kingdom ( face to face & webcam )

Hi i’m greg, private guitar tutor i have level 3 extended diploma in music as well as my grade 8 certificate for guitar, i have a dbs certificate and above all bags of experience teaching the guitar!

₦45818/h
1^st lesson free

Braedan

Columbia, United States ( webcam )

I'm from columbia, maryland and i will teach beginner-intermediate guitar or bass virtually. i have performed live and have a little recording experience. i will teach you any song you want to learn

₦24490/h
1^st lesson free

Alexander

Maumee, United States ( webcam )

Guitarist with 14+ years of experience. i accept all students regardless of age or experience level.

₦27212/h
1^st lesson free

Gareth

Addlestone, United Kingdom ( face to face & webcam )

Working with paul cook, phil collen, prize winning guitarist based in addlestone.

₦54982/h
1^st lesson free

Josh

Bristol, United Kingdom ( webcam )

I have been playing the guitar for over 8 years and have completed my grade 8 on electric guitar with a very high standard on my bass guitar as well. i am currently at a music university called dbs st

₦27491/h
1^st lesson free

Pedro

Forest Grove, United States ( face to face & webcam )

Guitarrist for fifteen years, with six years of teaching experience as a private instructor.

₦27212/h
1^st lesson free

Mainak

Sheffield, United Kingdom ( webcam )

Experienced guitar lessons ground up to make you pro within six months.

₦18327/h
1^st lesson free

Jordan

Leeds, United Kingdom ( webcam )

Leeds conservatoire graduate offering one to one guitar lessons up to university level

₦36655/h
1^st lesson free

Riley

Brooklyn, United States ( webcam )

Experienced producer and musician in nyc available for guitar and production lessons

₦68029/h
1^st lesson free

Perry

Swindon, United Kingdom ( face to face & webcam )

Sessions guitarist, touring musician and experienced tutor. let’s learn using your favourite songs!

₦51317/h
1^st lesson free

Jesse

Cape Town, South Africa ( face to face & webcam )

Gigging guitarist with 10 years of experience gives guitar lessons at my home, your home, and online in cape town

₦24774/h
1^st lesson free

Scott

Halifax, United Kingdom ( face to face & webcam )

Fully qualified teacher, with music degree, offering guitar tutorials from beginner to advanced. based in halifax.

₦36655/h
1^st lesson free

Megan

Thornton-Cleveleys, United Kingdom ( face to face & webcam )

Rock instrument teacher - teaching privately and in bands. guitar, bass, drums, vocals & keys. ba hons popular music.

₦45818/h
1^st lesson free

Tom

Leeds, United Kingdom ( face to face & webcam )

Tom bosley guitar lessons - guitar lessons tailor made just for you!

₦36655/h
1^st lesson free

Matt

Hebden Bridge, United Kingdom ( face to face & webcam )

Guitar tutor with twenty years experience, based in hebden bridge, west yorks.

₦45818/h
1^st lesson free

Tom

Brixham, United Kingdom ( face to face & webcam )

Music is an art form and a chance for an individual to express themselves. it's engaging and universal and a form of communication. for as long as i can remember, it's been an integral part of my life

₦27491/h
1^st lesson free

Ryan

Ottawa, Canada ( webcam )

Experienced music teacher providing music lessons for those seeking to learn and play the guitar

₦38784/h
1^st lesson free

Mchael

Saint Charles, United States ( face to face & webcam )

Professionally trained guitarist with 20 yrs experience teaching students of all ages.

₦47620/h
1^st lesson free

Nii

Leeds, United Kingdom ( face to face & webcam )

Guitarist based in leeds with years of experience playing live and tutoring.

₦45818/h
1^st lesson free

Steve

Waterloo, Canada ( face to face & webcam )

I have 45 years of playing guitar live as a professional playing country, blues ,rock and classic rock i teach the fast track method to proper scales and technics which all guitar players use today

₦31027/h
1^st lesson free

Chris-allan

Queens, United States ( face to face & webcam )

Learn to play guitar and piano! are you passionate about music? ready to take your skills to the next level? i'm chris-allan joseph: experienced music instructor specializing in guitar and piano

₦108846/h
1^st lesson free

Adam

Brighton, United Kingdom ( face to face & webcam )

I am a musician and composer based in brighton, england. i have been playing the guitar for almost 20 years and i have a good understanding of music theory up to abrsm grade 5. i have written music fo

₦45818/h
1^st lesson free

Filip

High Wycombe, United Kingdom ( webcam )

Experienced guitar player offering guitar lessons ranging from rock, funk, jazz and more.

₦27491/h
1^st lesson free

Pablo

, United States ( webcam )

Guitar player with more than 20 years of experience and playing around the world wants to share his tips and secrets!

₦27212/h
1^st lesson free

Mike

Queens, United States ( webcam )

Professional musician, teaching guitar to students, beginner - advanced. let’s work together to reach your goals!

₦68029/h
1^st lesson free

Jamie

Sheffield, United Kingdom ( face to face & webcam )

Studying music performance and production at level 3 and have a massive passion for learning music

₦18327/h
1^st lesson free

Saiyan

KwaDukuza, South Africa ( webcam )

Music is life. music and the brain work together . my passion is music .

₦12387/h
1^st lesson free

Dove

Eugene, United States ( face to face & webcam )

Brand new, beginner, and intermediate players. personalized lessons to fit the student.

₦34015/h
1^st lesson free

Jacob

Broomfield, United States ( face to face & webcam )

I am a self taught guitarist with years of consistent practice and honing of my skills. i also have taken an university level music theory class. i am in love with the instrument and have plenty to pa

₦27212/h
1^st lesson free

Neil

Halifax, Canada ( webcam )

25 year old touring guitar player looking for students all ages and abilities. dedicated to building lessons based on skill level and musical interests.

₦31027/h
1^st lesson free

Timothy

, Canada ( webcam )

Music mental wealth always be willing to learn and practice your instrument

₦29088/h
1^st lesson free

David

Los Angeles, United States ( face to face & webcam )

Musicians institute, teachers guitar from beginnermusicians institute, teaches guitar from beginner to advanced!!!! teachers in various styles of music! if you’re interested please let me know

₦81635/h
1^st lesson free

Michael

, United States ( webcam )

Ohio freshman gives guitar lessons. has played guitar for over 4 years.

₦27212/h
1^st lesson free

Brandon

Vanderbijlpark, South Africa ( face to face & webcam )

2nd year life performance guitar student at copa ( jhb ) and have been teaching for about 3 years now.

₦20645/h
1^st lesson free

Leo

Gimli, Canada ( webcam )

Trinity certified teacher, my style of teaching is unique and tailored to you! i prioritize making every session enjoyable. the guitar should feel like play, not work. session musician, exp-8yrs

₦19392/h
1^st lesson free

Shane

Ottawa, Canada ( webcam )

Professional musician offering online guitar lessons to any age and any level

₦43632/h
1^st lesson free

Luke

London, United Kingdom ( face to face & webcam )

Music performance university student offering 1-2-1 electric guitar tuition in northamptonshire and london.

₦36655/h
1^st lesson free

Alexander

De Winton, Canada ( webcam )

Guitarist with a bachelor of music providing private lessons in calgary, ab

₦38784/h
1^st lesson free

Mitchell

Worksop, United Kingdom ( webcam )

Concert guitarist with 10 years of music experience providing online lessons worksop

₦45818/h
1^st lesson free

Christopher

Wilmington, United States ( webcam )

Guitarist and songwriter teaches , rock, jazz, country, songwriting, and commercial music, nc

₦40817/h
1^st lesson free

Aidan

Stourbridge, United Kingdom ( webcam )

Guitar player (15 years) turned lawyer, based in birmingham, hoping to pass the 6-string torch

₦27491/h
1^st lesson free

Cog

Chilliwack, Canada ( webcam )

Guitar instruction beginners to advanced. ear training, music theory ,improvisation and reading

₦24240/h
1^st lesson free

Cameron

Springfield, United States ( face to face & webcam )

Private guitar teacher and current berklee college of music student with 3 years of experience in springfield, mo

₦34015/h
1^st lesson free

Brian

New York, United States ( webcam )

Jazz and swing guitar player with 10 years of exp teaching music

₦34015/h
1^st lesson free

Adam

Goleta, United States ( webcam )

Diverse guitarist specializing in jazz/blues/rock with 30 years experience in goleta ca

₦68029/h
1^st lesson free

Kostas

London, United Kingdom ( webcam )

Private guitar lessons with uwl student, sharing my experience with intermediate guitarists

₦27491/h
1^st lesson free

Taron

Tulsa, United States ( webcam )

Professional, degreed guitarist in tulsa with 20 years of experience in multiple genres

₦40817/h
1^st lesson free

John

Santa Clarita, United States ( face to face & webcam )

Guitarist by nature- music composer by trade. 15 years of music theory study

₦40817/h
1^st lesson free

Bonga

Randburg, South Africa ( face to face & webcam )

Experienced guitar teacher with three years of playing experience offering one on one home or video lessons

₦20645/h
1^st lesson free

Gary

Saint Paul, United States ( face to face & webcam )

Teacher and performer for over 55 years. gary is proficient in many styles

₦36736/h
1^st lesson free

Terrance

Starkville, United States ( face to face & webcam )

Laid back and down to earth guitar player with two bands and seven years of self taught passion.

₦20409/h
1^st lesson free

Tom

London, United Kingdom ( webcam )

Guitar teacher in london - professionally trained - lessons online at the moment but in person when covid is over :)

₦45818/h
1^st lesson free

Nicolas

Baie-Comeau, Canada ( face to face & webcam )

Guitarist with more than 20 years experience. french / english . all ages !

₦17453/h
1^st lesson free

Eddi

Stratford, United States ( face to face & webcam )

Guitar and music lessons with author, composer and renowned guitarist eddi wheels

₦47620/h
1^st lesson free

Maddie

Sterling, United States ( webcam )

Lead guitar player and singer / songwriter of rock band gives guitar lessons

₦40817/h
1^st lesson free

Gunnar

Jacksonville, United States ( face to face & webcam )

Easy learning for beginner guitarists. learn the basics and your favorite songs right away.

₦40817/h
1^st lesson free

Nathan

El Cajon, United States ( webcam )

Guitarist and drummer with 10+ years of performance and recording studio experience.

₦29933/h
1^st lesson free

Nathan

London, United Kingdom ( webcam )

Guitar and bass guitar lessons in london! anything you want to learn!

₦54982/h
1^st lesson free

Brandon

Rowley Regis, United Kingdom ( face to face & webcam )

Guitar tutor offering affordable online and face to face lessons to all ages from beginner to advanced.

₦36655/h
1^st lesson free

Aaron

Edinburgh, United Kingdom ( face to face & webcam )

Guitar lessons available from a guitar student: from beginner to advanced lessons!

₦36655/h
1^st lesson free

Rafael

Columbia, United States ( face to face & webcam )

Take guitar lessons with fully bilingual professional musician! from beginner to advanced.

₦54423/h
1^st lesson free

Dylan

Corner Brook, Canada ( webcam )

Guitar teacher with lots of experience teaching both old and young in a wide variety of styles and genres.

₦24240/h
1^st lesson free

Darren

Dundee, United Kingdom ( face to face & webcam )

Dundee based guitar tutor offering fun beginner to intermediate level guitar lessons

₦36655/h
1^st lesson free

Tom

High Spen, United Kingdom ( webcam )

Experienced guitar tutor offering beginner to intermediate level lessons online, rock, pop, metal covered

₦36655/h
1^st lesson free

Kane

Kenova, United States ( face to face & webcam )

I am a guitarist with 14 years of experience. i charge 15 an hour. profession garauntee.

₦20409/h
1^st lesson free

Brandon

South Gate, United States ( face to face & webcam )

I'm a guitarist of 18 years/ teaching for 5 years, all ages

₦40817/h
1^st lesson free

Fahim

Berea, United States ( face to face & webcam )

Guitarist with 10 years of playing experience. can play piano and bass as well, music is all about relationship.

₦27212/h
1^st lesson free

Joseph

Boston, United States ( face to face & webcam )

Berklee collage of music graduate with three plus years of teaching experience!

₦68029/h
1^st lesson free

Daniel

Northampton, United Kingdom ( face to face & webcam )

Experienced and qualified guitar and music teacher with over 15 years experience.

₦36655/h
1^st lesson free

Ben

Fort Saint James, Canada ( webcam )

Music graduate improves your guitar playing online and in fort st. james

₦33936/h
1^st lesson free

Jordan

Ramsgate, United Kingdom ( face to face & webcam )

Professional guitar tutor - local and online sessions available, all styles welcome!

₦45818/h
1^st lesson free

Somchai

Boston, United Kingdom ( webcam )

Pro guitar player teaches quality and fun online guitar lessons for kids from age 5＋ and adult of all playing levels.

₦69644/h
1^st lesson free

Ryan

New York, United States ( webcam )

American musician & mentor based in paris, france let's work to improve your skills as a musician, artist, and performer over 15 years of experience as a full-time musician and industry professional

₦81635/h
1^st lesson free

Fredo

Parker, United States ( face to face & webcam )

Over 15 years of experience, i can learn and teach whatever you’d like or if you’re a beginner i can get you started on the right path

₦34015/h
1^st lesson free

Gabriel

Mont-Laurier, Canada ( face to face & webcam )

Member of a death melodic metal during 3 years and make my own cd with my own studio.

₦22301/h
1^st lesson free

Adrian

Waterloo, United States ( webcam )

Multi-instrumentalist/composer with more than 15 years of experience teaching electric guitar.

₦35375/h
1^st lesson free

Desiree

Minneapolis, United States ( webcam )

Non-binary, former touring musician/guitar player teaching beginner rock guitar lessons

₦40817/h
1^st lesson free

Charlie

Brighton, United Kingdom ( face to face & webcam )

First year university student with a levels and gcses, teaching guitar (acoustic or electric) or bass from beginner levels to intermediate levels in brighton

₦27491/h
1^st lesson free

Daniel

, United Kingdom ( webcam )

Teaches guitar for kids and adults of any age private and group lessons available

₦45818/h
1^st lesson free

Frantisek

London, United Kingdom ( face to face & webcam )

An experienced musician, guitar player and teacher offers guitar, singing and music theory lessons!

₦73310/h
1^st lesson free

Renato

Round Rock, United States ( face to face & webcam )

Electric guitar player with 25 years experience teaching lessons on how to play from home in austin area, tx

₦40817/h
1^st lesson free

Dominic

Anacortes, United States ( webcam )

Hard rock/metal/ guitarist with 5 years performing experience on stage around the country

₦40817/h
1^st lesson free

Matthew

Scituate, United States ( face to face & webcam )

Accomplished guitar player and teacher with over 20,000 hours of experience!

₦88438/h
1^st lesson free

Gui

Great Yarmouth, United Kingdom ( webcam )

Guitar player with 10 years of experience offering guitar lessons to take beginners to pros i will teach you all the fundamentals with lessons tailored to you! shredding? writing songs? what kind of p

₦27491/h
1^st lesson free

Matthew

Tucson, United States ( webcam )

Friendly and experienced musician offering guitar lessons to online students of all ages

₦34015/h
1^st lesson free

Dan

Dalkeith, United Kingdom ( webcam )

Guitar tutoring - beginner to intermediate level. learning songs, skills and having fun :)

₦36655/h
1^st lesson free

Laurent

Hove, United Kingdom ( webcam )

Learn guitar and have fun improvising and playing your favorite tunes !

₦36655/h
1^st lesson free

Mark

Plano, United States ( face to face & webcam )

Unt music school grad - jazz guitar specializing in transcribing and arranging chord solos from piano/vocal scores

₦54423/h
1^st lesson free

Torrey

Lincoln, United States ( face to face & webcam )

Gain the fundamentals to play every song you may want in less time then you may think.

₦27212/h
1^st lesson free

Marc

Chelmsford, United Kingdom ( webcam )

Guitar teacher in guildford, surrey - marc

₦54982/h
1^st lesson free

Matt

San Jose, United States ( face to face & webcam )

Guitar player/songwriter with 20 years of experience teaches guitar and bass lessons in sf bay area

₦68029/h
1^st lesson free

Tyrone

Pietermaritzburg, South Africa ( webcam )

Advanced guitar player, played in 5 bands recorded own cds, studied degree for 3 years bcom

₦9909/h
1^st lesson free

Rubén

Zaragoza, Spain ( face to face & webcam )

Guitar lessons, in the easiest way you will immediately learn all your favorite songs and much more xd

₦31379/h
1^st lesson free

Tibert

Paris 4e, France ( face to face & webcam )

Young jazz guitarist / composer / singer gives guitar lessons for students all levels !

₦62758/h
1^st lesson free

Rasmus

Malmö, Sweden ( webcam )

Guitarist with many years of experience from, among other things, the musical high school program and music school, gives online guitar lessons.

₦53641/h
1^st lesson free

Hernán

Bogotá, Colombia ( face to face & webcam )

Professional musician. music major, acoustic and electric guitar classes, rock, blues, jazz.

₦35082/h
1^st lesson free

Marcel

Bunde, Germany ( face to face & webcam )

Custom guitar lessons; because: here you will experience a teaching concept that is completely tailored to you and your needs, in which "thinking outside the box" is the order of the day. ;)

₦47068/h
1^st lesson free

Essential information about your rock guitar lessons
✅ Average price :	₦3993/h
✅ Average response time :	4h
✅ Tutors available :	3939
✅ Lesson format :	Face-to-face or online

Back

Forward

What do you want to learn?

Discover our tutors

3939 tutors available

The list of tutors

Guitar student with ten years experience seeking to help others become less frustrated while playing any style of guitar

Music student with teaching experience offering electric, classical or acoustic guitar tutoring.

Skilled professional musician with 20 years playing and teaching experience here to help you reach your dreams of playing guitar.

Rock bassist of 5 years looking to give lessons to beginner students

Online guitar lessons by skype or zoom. 100% refound if you won't like it

Hi i’m greg, private guitar tutor i have level 3 extended diploma in music as well as my grade 8 certificate for guitar, i have a dbs certificate and above all bags of experience teaching the guitar!

I'm from columbia, maryland and i will teach beginner-intermediate guitar or bass virtually. i have performed live and have a little recording experience. i will teach you any song you want to learn

Guitarist with 14+ years of experience. i accept all students regardless of age or experience level.

Working with paul cook, phil collen, prize winning guitarist based in addlestone.

I have been playing the guitar for over 8 years and have completed my grade 8 on electric guitar with a very high standard on my bass guitar as well. i am currently at a music university called dbs st

Guitarrist for fifteen years, with six years of teaching experience as a private instructor.

Experienced guitar lessons ground up to make you pro within six months.

Leeds conservatoire graduate offering one to one guitar lessons up to university level

Experienced producer and musician in nyc available for guitar and production lessons

Sessions guitarist, touring musician and experienced tutor. let’s learn using your favourite songs!

Gigging guitarist with 10 years of experience gives guitar lessons at my home, your home, and online in cape town

Fully qualified teacher, with music degree, offering guitar tutorials from beginner to advanced. based in halifax.

Rock instrument teacher - teaching privately and in bands. guitar, bass, drums, vocals & keys. ba hons popular music.

Tom bosley guitar lessons - guitar lessons tailor made just for you!

Guitar tutor with twenty years experience, based in hebden bridge, west yorks.

Music is an art form and a chance for an individual to express themselves. it's engaging and universal and a form of communication. for as long as i can remember, it's been an integral part of my life

Experienced music teacher providing music lessons for those seeking to learn and play the guitar

Professionally trained guitarist with 20 yrs experience teaching students of all ages.

Guitarist based in leeds with years of experience playing live and tutoring.

I have 45 years of playing guitar live as a professional playing country, blues ,rock and classic rock i teach the fast track method to proper scales and technics which all guitar players use today

Learn to play guitar and piano! are you passionate about music? ready to take your skills to the next level? i'm chris-allan joseph: experienced music instructor specializing in guitar and piano

I am a musician and composer based in brighton, england. i have been playing the guitar for almost 20 years and i have a good understanding of music theory up to abrsm grade 5. i have written music fo

Experienced guitar player offering guitar lessons ranging from rock, funk, jazz and more.

Guitar player with more than 20 years of experience and playing around the world wants to share his tips and secrets!

Professional musician, teaching guitar to students, beginner - advanced. let’s work together to reach your goals!

Studying music performance and production at level 3 and have a massive passion for learning music

Music is life. music and the brain work together . my passion is music .

Brand new, beginner, and intermediate players. personalized lessons to fit the student.

I am a self taught guitarist with years of consistent practice and honing of my skills. i also have taken an university level music theory class. i am in love with the instrument and have plenty to pa

25 year old touring guitar player looking for students all ages and abilities. dedicated to building lessons based on skill level and musical interests.

Music mental wealth always be willing to learn and practice your instrument

Musicians institute, teachers guitar from beginnermusicians institute, teaches guitar from beginner to advanced!!!! teachers in various styles of music! if you’re interested please let me know

Ohio freshman gives guitar lessons. has played guitar for over 4 years.

2nd year life performance guitar student at copa ( jhb ) and have been teaching for about 3 years now.

Trinity certified teacher, my style of teaching is unique and tailored to you! i prioritize making every session enjoyable. the guitar should feel like play, not work. session musician, exp-8yrs

Professional musician offering online guitar lessons to any age and any level

Music performance university student offering 1-2-1 electric guitar tuition in northamptonshire and london.

Guitarist with a bachelor of music providing private lessons in calgary, ab

Concert guitarist with 10 years of music experience providing online lessons worksop

Guitarist and songwriter teaches , rock, jazz, country, songwriting, and commercial music, nc

Guitar player (15 years) turned lawyer, based in birmingham, hoping to pass the 6-string torch

Guitar instruction beginners to advanced. ear training, music theory ,improvisation and reading

Private guitar teacher and current berklee college of music student with 3 years of experience in springfield, mo

Jazz and swing guitar player with 10 years of exp teaching music

Diverse guitarist specializing in jazz/blues/rock with 30 years experience in goleta ca

Private guitar lessons with uwl student, sharing my experience with intermediate guitarists

Professional, degreed guitarist in tulsa with 20 years of experience in multiple genres

Guitarist by nature- music composer by trade. *15 years of music theory study*

Experienced guitar teacher with three years of playing experience offering one on one home or video lessons

Teacher and performer for over 55 years. gary is proficient in many styles

Laid back and down to earth guitar player with two bands and seven years of self taught passion.

Guitar teacher in london - professionally trained - lessons online at the moment but in person when covid is over :)

Guitarist with more than 20 years experience. french / english . all ages !

Guitar and music lessons with author, composer and renowned guitarist eddi wheels

Lead guitar player and singer / songwriter of rock band gives guitar lessons

Easy learning for beginner guitarists. learn the basics and your favorite songs right away.

Guitarist and drummer with 10+ years of performance and recording studio experience.

Guitar and bass guitar lessons in london! anything you want to learn!

Guitar tutor offering affordable online and face to face lessons to all ages from beginner to advanced.

Guitar lessons available from a guitar student: from beginner to advanced lessons!

Take guitar lessons with fully bilingual professional musician! from beginner to advanced.

Guitar teacher with lots of experience teaching both old and young in a wide variety of styles and genres.

Dundee based guitar tutor offering fun beginner to intermediate level guitar lessons

Experienced guitar tutor offering beginner to intermediate level lessons online, rock, pop, metal covered

I am a guitarist with 14 years of experience. i charge 15 an hour. profession garauntee.

I'm a guitarist of 18 years/ teaching for 5 years, all ages

Guitarist with 10 years of playing experience. can play piano and bass as well, music is all about relationship.

Berklee collage of music graduate with three plus years of teaching experience!

Experienced and qualified guitar and music teacher with over 15 years experience.

Music graduate improves your guitar playing online and in fort st. james

Professional guitar tutor - local and online sessions available, all styles welcome!

Pro guitar player teaches quality and fun online guitar lessons for kids from age 5＋ and adult of all playing levels.

Guitarist by nature- music composer by trade. 15 years of music theory study