With over 3.5 hours of video divided into 59 lessons, this music theory course explains everything from scales, basic chord progressions, intervals, chord inversions and jazz chord extensions to modulations, diminished and altered scales, tritone substitution, modes, and modal mixtures.

To make this course interactive and help you monitor your progress, I’ve included dozens of quizzes. These quizzes are designed to test your understanding and reinforce your learning as you go.

You do not need to be able to read music for this course. I explain everything on the piano with examples from songs and pieces of music. If you do read music, I have added a seven-page PDF with all the main progressions of this course.

What's in this Course

1. The Basics

1. The Semitone

2. The Whole-Tone

3. The Major Scale

4. Sharps and Flats

5. Tonic, Dominant, Subdominant and the Leading-Tone

6. Stable Tones and Active Tones

7. Major and Minor Thirds

8. Triads

9. Triads of the Major Scale

2. Basic chord Progressions

10. Chord Progressions: I - IV - V - I

11. The G7 Chord - V7

12. Chord Progressions Guideline 1: Common Tones

13. Chord Progressions Guideline 2: Contrary Motion

14. Chord Progressions Guideline 3: Doubling

3. The Minor Scale

15. Minor Scale: Parallel and Relative

16. Chord Progressions of the Minor Scale

17. The Harmonic Minor Scale

18. The Melodic Minor Scale

19. Minor Scale examples in Real Music

4. Chord Inversions

20. First Inversion Chords

21. Second Inversion Chords

5. the Circle of Fifths

22. The Circle of Fifths 

23. Closely Related Keys

6. 7th Chords

24. Types of 7th Chords

25. 7th Chords in a Progression

7. Intervals

26. Intervals

27. Intervals: Consonant and Dissonant

28. Dissonant Intervals and their Melodic Origin. 

8. Extensions on the Tonic Chord

29. Chord Extensions

30. Adding 6 to The Tonic Chord

31. Adding the 6 to the I in Minor. 

32. The 6/9 Chord

33. The sus4 Chord

34. The sus2 Chord

35. Maj7#11 Chord

9. extensions on the Dominant Chord

36. V13 and V7b13

37. V13 in II - V - I

38. The V11 Chord

39. The V9 Chord

40. The V7b9 chord

41. the 7#9 Chord

10. The Tritone Substitution

42. The Tritone Substitution

43. Tritone Substitution in II - V - I

11. the Diminished Scale

44. Diminished Scale on the V

45. Diminished Scale on the Tonic Chord

12. The Altered Scale

13. Modulations

47. Pivot Modulation

48. Direct Modulations

49. Diminished Chord Modulation

50. Sequence Modulations

14. Modes

51. The Seven Modes of the Major Scale

52. The Seven Modes Played From C

53. The Dorian Mode

54. The Phrygian Mode

55. The Lydian Mode

56. The Mixolydian Mode

57. The Locrian Mode

15. Modal Mixture

  • 58. Modal Mixture - Major and Minor
  • 59. Modal Mixture: Other Modes

Instructor Bio: Dr. Guy Shkolnik

Dr. Guy Shkolnik holds a Ph.D. in music theory from the University of Tel Aviv, where he specialized in the fugues of J.S. Bach. With a massive following of over 300,000 across social media platforms, Dr. Shkolnik is renowned for his crystal-clear explanations of harmony and theory, earning acclaim as one of the best music theory educators on Instagram and YouTube. He excels at making complex topics easy to understand and is also admired for his exceptional piano playing.

Dr. Shkolnik's vast knowledge encompasses classical harmony, jazz, and pop music, with a deep understanding of artists such as The Beatles, Elton John, Stevie Wonder, Radiohead, Pat Metheny, and Chick Corea. His teaching experience includes harmony, counterpoint, and ear training at the Rimon Jazz College, affiliated with Berklee College of Music.


  • One of the best learning experiences

    I recently had the pleasure of taking an online music theory course with Dr. Guy Shkolnik, and I can confidently say it was one of the best learning experiences I’ve had in a while. Guy is not only a talented musician but also an excellent teacher who knows how to explain complex concepts in a way that's easy to understand - Milad Mohsenian, Jazz Pianist, educator.

  • This course was transformative!

    As someone who has always learned random tidbits about chords but never had a clear understanding of what makes a chord what it is, this course was transformative! Guy teaches at a super comfortable and approachable pace and does a good job of covering the basics and building from there. Before the course, I had spent so much time searching and finding complicated answers for things he explained so simply. You’ll leave the course understanding enough to learn to play your favorite songs or to compose your own - Manar Abbas, Jazz Singer

  • Best piano training

    I'm 3/4 through your theory course and it's the best piano training I've ever had - Jim Spadoni

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