Play with music theory concepts and see how they work on piano, guitar, and sheet music. Choose a tonic, interval, chord, or scale and hear the result instantly.
This playground lets you experiment with notes, intervals, chords, and scales without leaving the page. Switch tonics and octaves, compare spellings across keys, and preview sounds on a virtual piano or in standard notation—useful for ear training, songwriting sketches, and quick theory checks.
When you want deeper reference material, explore the chord library, the scale library, the interval guide, and the note library to study formulas, aliases, and structured exercises.