Your harmonic practice partner for time, phrasing, and chord-tone accuracy.
Footswitch support is recommended for uninterrupted flow.
If this keeps your groove going, tap the coffee icon. Even $3 helps a lot.
How to Use
- Enter progression.
- Load.
- Start Audio (or Space).
- Next (or Right Arrow).
- Use Library to save and load progressions.
Saved progressions stay in your browser only (local storage, no cloud).
Controls
- Space: Start/Stop
- ArrowRight: Next chord
- ArrowLeft: Previous chord
Supported Chords
Major
maj, ma, M, major, maj7/ma7/M7, Δ/∆7, maj9/11/13, Maj9/11/13, M9/11/13, Δ9/11/13, 6/maj6/M6
Minor
m, min, minor, -, m7/min7/-7, m9/11/13, min9/11/13, -9/-11/-13, m6/min6, mMaj7/minMaj7/mM7
Other Qualities
m7b5/ø/ø7, dim/o, dim7/o7, aug/+, sus2, sus4/sus
Tensions & Alterations
add9/add11/add13, #5/b5, #9/b9, #11, b13
Slash Bass
C/E, Ebm7/Ab, etc.