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Online guitar theory lessons

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Top-rated guitar theory lessons

These guitar theory lessons are highly rated for guided learning to help you play, improvise, and compose on the guitar.

Secret Weapons

Secret Weapons

5 (14)

beginner · Theory, Technique
Caitlin Caggiano

Learn the secrets to becoming an invincible guitarist! This course will teach you practical elements to succeed as a guitarist in the real world, as well as "thinking outside the box" techniques to take your playing to another level. Learn fretboard theory they don't teach in school, and take your skill to a new level each week! Every week we will cover a new topic. Students will have access to lesson recordings, diagrams, tabs, practice schedules, and direct access to me each week!

$30 / lesson

Try free

Zero To Hero

Zero To Hero

5 (16)

beginner · Theory
Caitlin Caggiano

This class is for beginner and intermediate guitarists who want to become limitless on the fretboard and speak the language of music fluently on the guitar. This course will take guitar players who have a basic knowledge of chords/scales/songs, and transform them into competent musicians who can find all the notes on the guitar, identify riffs by ear, visualize where they are played on the fretboard, and improvise in any key. The goal of this course is to give you complete freedom on the fretboard and turn you into a REAL musician. Diagrams, tabs, and resources will be provided.

$30 / lesson

Try free

String Theory Part 1 - Triads

String Theory Part 1 - Triads

5 (26)

intermediate · Theory
Molly Miller

Understanding the fretboard can be overwhelming. It is a web that is not easy to navigate. In this class we will use triads to view the neck and then apply this knowledge to make music - comping, soloing, and chord melodies. Join me in this weekly class to start unlocking the fretboard.

$35 / lesson

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Brian B.

Brian B.

String Theory Part 1 - Triads

Molly is absolutely amazing. The way she breaks things down so you can understand how to play is incredible. She encourages questions to help you along in your journey. I would encourage everyone to take her class. You will be better no matter what.

Tayler K.

Tayler K.

Meaningful Chords, Meaningful Soloing

I left Jude's class feeling much more confident in knowing how to make meaningful musical decisions. This class was always the highlight of my week and it was a blast getting to learn alongside other musicians seeking growth! Highly recommend!

Ryan G.

Ryan G.

Chord Creation

Arianna's class is amazing. Every class was extremely well thought out, always engaging, and had great cohesion of concepts throughout every class. It’s more reminiscent of a Music Conservatory Masterclass than your typical basic online class!

Tom B.

Tom B.

Zero to Hero

Caitlin is an exceptional guitar teacher (top 1%) and this is an outstanding course. The live lessons are highly interactive and there isn't a question that doesn't go unanswered. Til is a pleasure to use.

Abbey F.

Abbey F.

4 Chords: The Best of Taylor Swift

Nena tailored the class to us and what we wanted to learn. She gave us tips and tricks on how to play songs we wanted at whatever level we are at, I always felt encouraged. This class has been an invaluable part of my guitar playing journey.

Jason A.

Jason A.

Chord Vocabulary for Guitarists

This class was a perfect fit for me. It was refreshing to find an intermediate class that focused on harmony and voice leading. It was nice to have the opportunity to chat live and ask questions to clarify things in real time.

Ellie G.

Ellie G.

Meaningful Chords, Meaningful Soloing

Everything about this class was just absolutely fantastic. If you are a passionate guitarist and you are up to a challenge or even just learn something new, than this is definitely the class for you! Don't think twice about it, take the class!

Tom G.

Tom G.

Blues Guitar Improvisation

Quist is excellent at providing motivation to practice. My family, friends, and bandmates commented that my guitar playing, timing, and phrasing all improved.

Jared K.

Jared K.

Workshop for the Developing Guitarist

This was a great class. I learned a lot from Dylan and Eugene and the lessons were very fun. They are both extremely knowledgeable and experienced teachers. I look forward to any future classes.

Nelly M.

Nelly M.

Level Up: Jazz & Contemporary Guitar

I've already learned so much my brain hurts! Tash has given me some simpler things to work on since I'm a beginner. I've taken several of the Til classes and they are such a great way to learn.

Marco M.

Marco M.

Secret Weapons

This is as great as it gets! Lessons are extremely informative, fun, at a fantastic pace, and I cannot say enough about Caitlin...so knowledgeable!

Marty W.

Marty W.

Expanding Blues Guitar

Jamey is a great musician and is sincere in his desire to thoroughly teach the subject at hand. He provided detailed handouts and playing examples, and really went above and beyond my expectations. Highly recommended!

Guitar Theory lessons on Til

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Popular skills to learn guitar theory

  • Learn notes across the fretboard
  • Understand major and minor scales
  • Chord construction
  • Interval theory
  • Circle of Fifths
  • Constructing and playing major, minor, and dominant 7th chords

Frequently Asked Questions

Your guide to guitar theory

How to learn guitar technique and theory
Famous guitarists known for their exceptional technique include Eddie Van Halen, Steve Vai, and John Petrucci. To learn guitar technique and theory, follow these steps:
  • Master basic chords and scales, focusing on clean fretting and picking.
  • Study music theory fundamentals like intervals, key signatures, and chord progressions.
  • Practice techniques such as alternate picking, legato, sweep picking, and tapping.
  • Analyze songs to understand how theory and technique are applied in real music.
  • Consistently practice with a metronome, gradually increasing speed and complexity.

While self-paced online resources can be helpful, taking lessons with a skilled teacher provides structure, feedback, and motivation to progress efficiently. A teacher helps you focus on the most important skills and techniques, keeps you on track, and provides a dedicated practice time.


If you want personalized classes with a world-class guitarist, consider taking theory and technique lessons on Til. Til offers group classes over video chat with expert guitarists, allowing you to learn from the best teachers worldwide at half the cost of private lessons, all from the comfort of your home.

How long does it take to learn guitar theory?

Learning the fundamentals of guitar theory and applying them to your playing typically takes around 80-120 hours. If you practice 2 hours per week, that's about 1 year or 5 - 7 months if you practice for 30 minutes daily. For most people, the hardest part of learning guitar theory is understanding how scales, chords, and progressions work together to create music. To effectively learn guitar theory, finding a great teacher is crucial. A knowledgeable instructor can break down complex concepts into digestible lessons, provide practical examples, and help you apply theory to your playing, which is far more efficient and effective than self-guided learning.


Need help finding a great teacher for guitar theory? Discover top-rated guitar theory lessons on Til.

Best guitars for theory and technique

Our pick: Ibanez RG550 Genesis

Our top choice for technique and guitar theory is the Ibanez RG550 Genesis, for its sleek, comfortable design and exceptional playability. Its thin Wizard neck and jumbo frets facilitate fast, precise fretting, while the HSH pickup configuration delivers a wide range of tones suitable for various genres. The double-locking tremolo system ensures excellent tuning stability, even with aggressive use. Notably used by virtuosos like Joe Satriani and Steve Vai, the RG550 Genesis is a versatile instrument that caters to the needs of technique-focused players. Price range: $1,000 - $1,500.


Budget pick: Schecter C-6 Plus

If you're learning music theory on guitar and on a budget, the Schecter C-6 Plus is an excellent option. This guitar features a thin, fast-playing neck and a comfortable body shape that encourages long practice sessions. The 24 jumbo frets and a 14-inch fretboard radius provide ample space for intricate finger work and bends. The C-6 Plus is equipped with high-output Schecter Diamond Plus pickups, delivering powerful, articulate tones suitable for shred-heavy styles. With its affordable price point and impressive features, the Schecter C-6 Plus is a great choice for technique-focused players. Price range: $400 - $600.


Upgrade pick: Suhr Modern Pro

The Suhr Modern Pro is a premium choice for technique guitarists seeking the ultimate in playability and tone. Handcrafted in the USA, we love this guitar for its sleek, ergonomic design with a thin, asymmetrical neck profile that facilitates effortless fretting and lightning-fast runs. The stainless steel frets and a compound radius fretboard provide a smooth, comfortable playing experience. The Suhr V70 pickups deliver crystal-clear, dynamic tones that respond well to advanced techniques. Favored by virtuosos like Guthrie Govan, the Suhr Modern Pro is a top-tier instrument for serious technique players. Price range: $3,000 - $4,000.

Featured photo by Dayne Topkin on Unsplash