The Practice Lab

tools for the working musician

01

Practice Session Generator

Get a tailored practice session built around your skill level and what you're working on. Each session suggests specific ways to use the tools in the lab.

02

ii — V — I Trainer

Master the fundamental progression of jazz. Loop ii-V-I changes in all twelve keys with customizable voicings and tempos.

03

Chord Drone

A sustained harmonic foundation for improvisation practice. Build any chord quality and let it ring as you explore melodic ideas.

04

Ghost Metronome

Practice with random dropouts. Train your internal pulse by working with a metronome that randomly silences beats.

05

Chord Looper

Generate and practice chord progressions on demand. Randomize individual chords, edit voicings manually, or loop specific sections.

06

Jazz Standard Simulator

Practice sight-reading with procedurally generated jazz standards. Adjust difficulty, style, and tempo to simulate real reading sessions.

07

Melody Generator

Generate melodic ideas to spark improvisation and composition. Explore new phrases, motifs, and contours across any key or scale.