Theory you can hear, not just read
Interactive tools built around real piano playback. No signup, no download, no plugins. Click into any tool and start exploring.
Interactive Circle of Fifths
Click any key around the wheel to see its key signature, relative minor, and seven diatonic chords. Toggle between major and the three minor scales (natural, harmonic, melodic). Hear everything on real piano.
Open tool →The Seven Modes
Dorian, Phrygian, Lydian, Mixolydian - and the rest. Hear all seven modes side by side on any root, with interval patterns, character notes, and famous-song examples.
Open tool →Sight Reading Exercises
Free graded sight-reading exercises across 8 instruments - violin, viola, cello, piano, guitar, bass, voice (solfege), and theory. 6 levels from beginner to audition prep.
Open tool →Want a teacher to walk you through this?
Theory clicks faster when you connect it to the music you actually play. Book a private lesson and we’ll tie the tools into your repertoire.
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