Everything you need before deep focus

Speed training: 20 random chords as fast as possible. No note hints — just you and the clock.

The most important jazz progression (ii-V-I) with all 4 notes. Notes visible — ideal for learning.

The chord sequence from "I Got Rhythm" and hundreds of jazz standards. 4 chords × 12 keys.

For advanced players: 30 complex chords (9th, 13th, Alt) with symbol notation, no note display.

Once around all keys in intervals of a fourth (C→F→B♭→E♭→…). Trains smooth key changes.

Practice all 4 voicing types in sequence with ii-V-I. Builds muscle memory for each voicing style.

Left-hand voicings for combo playing: 3-5-7-9 without root (played by the bassist). Bill Evans style.

Play each chord in different inversions. Trains smooth voice leading and position changes.

Chord changes on the beat. Metronome runs, you play in time — timing accuracy matters more than speed.

Listen to a chord, then play it on your piano. No chord name visible — train your ears!

Weak chords appear more often, strong ones less. The drill adapts to your performance.