Tools

Theory-aware chord analysis you can see and hear. Free in your browser; the plugin adds a standalone app and live audio analysis.

An additive synth that builds sound from individual overtones — fold harmonics, scan overtones by scale, gate partials by chord.

A sampled grand piano recorded at Beat Kitchen — honest and compelling rather than perfect. AU and VST3 for macOS.

A play-along ear-training game — hear the chord, name it. Sharpen your ear a few minutes a day.

Searchable song charts and chord progressions. Play a chart back and see each chord on the Harmony Wheel and the keyboard as it goes. Residents and instructors can add charts of their own.

Draw shapes with two waveforms — the patterns an oscilloscope makes (Lissajous figures). Set the frequency ratio and phase, watch the figure appear, then learn to build each one in a synth.

Build any scale from two four-note groups, rotate its modes, and harmonize — 100 scales, hundreds of chords.

Spin up random chords and progressions — for practice, analysis, or a spark of inspiration.

Beat Kitchen's chord construction interface and playable surface, built on Euler's Tonnetz and applied to a three-dimensional torus.

Saves your Logic preferences, installs ours, and puts yours back whenever you want. Comes with our full Logic setup guide.

A MIDI keyboard display for teaching — lights up the notes you play, sized to your controller.

Bite-size interactive demos that make a musical idea click — play, poke, and hear it.