Harmonica Cheatsheet

Don’t just see where a note lies on your harmonica—understand its function and feel it.
Where is the root note and where is the fourth? Where are the notes of the next chord? Which notes belong to your scale? Where is an F# on a Db harmonica?
Harmonica Cheatsheet turns abstract music theory into a visual map for your 10-hole diatonic harmonica—whether you’re practicing, rehearsing with a band, or performing on stage.

Features:
• All 12 positions in major and minor keys. No more guesswork—know exactly what you’re playing.
• All 12 harmonica keys. Makes playing from sheet music, creating tabs, and communicating with bandmates easier.
• All 7 diatonic chords for the most important positions. It calculates the chords for you so you can focus entirely on playing.
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• Identify root notes, thirds, fifths, sevenths, etc., via color-coding
• Choose between relative scale degrees or specific note names
• Highlight specific notes and note families
• Practice identical notes across multiple octaves in isolation
• Identify and practice modes like Dorian, Lydian, or Mixolydian
• Quickly locate any note in the selected harmonica key
• View modes and chord extensions for individual chord degrees
• Also suitable for Natural Minor and Harmonic Minor tunings
• Check pitch with the measurement function and even tune your harmonica
• Assemble chord progressions and practice them with mini backing tracks

Harmonica Cheatsheet is designed for ambitious harmonica players who want to do more than just play along with tabs—players who want to easily visualize and understand positions, note functions, and harmonic relationships in order to use them effectively. See what you’re playing. Understand why it works.

Get it

Recent changes:
Button on the degree tab added to choose positions easier