All Tools
A flat index of every trainer and visualizer — the quickest way to jump straight to what you want to practice. Each tool works the same way: pick a key, see the chords and chord-scales on piano and guitar, and loop a vamp to play along.
Practice trainers
Major & minor, 24 keys. The core progression.
Open → LiveThe standard turnaround, all 12 keys.
Open → LiveThe 32-bar AABA form, A and B sections.
Open → LiveThe 12-bar jazz blues form in every key.
Open → LiveMajor-third cycle substitutions.
Open →Reference visualizers