Your Music Theory Knowledge To The Next Level...Guaranteed.

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-Your lessons have not only taken me to the next level, but given me a much
clearer path on where to go next.
Billy McCafferty, Denver, CO

Lock in your low rate today (only $19/month, cancel anytime) --  Start now.

What's Included in Music Theory Online?


Music Theory Online is divided into 6 modules. Within each module you will learn how to practically apply music theory to the piano helping you become a pianist that understands what they are playing. Music Theory Online teaches you to be a better arranger, composer and improviser of music.

Module 1:

  • Understanding Key Signatures
  • How The Circle of 5ths Works
  • Enharmonic Tones

Module 2:

  • Clefs (G clef / F clef)
  • Relative and Parallel Minor *Important!*
  • Major and Minor Scales
  • Harmonic and Melodic Minor

Module 3:

  • Scale Degrees
  • Intervals
  • Modes Defined
  • Modes Alternate Explanation
  • Modes Practical Application

Module 4:

  • Creating Chords
  • 7th Chords
  • Open and Closed Position Chords
  • Chord Symbols
  • Chord Scales

Module 5:

  • Diatonic vs Chromatic
  • Diatonic Chords
  • Diatonic Worksheet
  • Harmonic Progressions 2-5-1
  • Harmonic Analysis Mozart

Module 6:

  • Rhythm Review
  • Dotted Rhythms
  • Rhythm Sight Reading
  • More Rhythmic Values

$99 Worth of Bonus Lessons

In addition to the 6 music theory modules, you also get immediate access to my 4-volume Technique Builder Course which shows you how to play all 12 Major and minor scales along with rhythmic exercises and techniques on how to easily build these scales. This course is a must have if you want to improve your technique at the piano!

My 4-volume Technique Builder Course yours FREE as part of your Music Theory Online membership.

How Do Online Lessons Work?

Once you become a member of you will have immediate access to our lesson library. You can start at the beginning and work your way through each lesson in sequential order. Or you can jump right into the lesson that will teach you what you want to learn now.

Unlimited 24/7 Access

Need to watch a lesson over and over again to get every note? Not a problem. All memberships come with unlimited streaming to all piano lessons. This means you can view the lessons 24/7 without restriction. Best of all, you can watch from any Internet-enabled device. Watch a lesson on your phone then pick up where you left off on your tablet or home computer!

30-day, Satisfaction Guarantee

If you are not completely satisfied with, simply contact us within the first 30 days for a complete credit of your first month's fee toward any other lesson in our online store.

With hundreds of downloadable lessons in our Jazzedge store, you are sure to find something that will break down any barriers in your piano playing.

As Seen On...


Student Spotlight...


Thierry is a PianoWithWillie student since 2009 and is from Belgium. Here is his rendition of Dave Brubeck's classic - Take 5.

Live Chat Support

Sometimes you're stuck and you just need a little help. Not to worry, our team is available on chat Monday through Friday from 9am to 5pm EST. Our talented team can help you with lesson suggestions, technical problems and any other music or account related issues that you might have. (Sorry they can't tell you the winning lottery numbers...yet!)

Benefits of Online Lessons...


With online lessons, you can learn on your schedule be it at 6am or 11pm. With a membership to MusicTheoryOnline, you get unlimited 24-hour access to our piano lesson library. Lessons with a good private teacher cost $60 per lesson and the cost of private lessons can quickly add up. Online lessons are easy and affordable.

What Does My Membership Include?


  • All memberships include unlimited streaming of all lessons and courses
  • Sheet music and jam track downloads
  • Access to our student community to share and get ideas from other students
  • Lifetime memberships include instant download access

Theory Helps You Memorize Songs Faster, Improvise Over Chords with Ease While Getting Inside Music. Yeah...It's the "Secret Sauce."

Get Started Now

Lock in your low rate today (only $19/month, cancel anytime) --  Start now.


30-Day Satisfaction Guarantee

If you are not completely satisfied with, simply contact us within the first 30 days for a complete credit of your first month’s fee toward any other lesson in our library.