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ActiveBook
Music Theory Playground
Music Theory Playground
Scales, chords, and modes you can actually hear.
By ActiveBook Admin
$9.99
one-time
About this ActiveBook
Tap a key. Hear the chord. Drag through modes. Build a progression. Export MIDI. Comes with a small library of grooves so you don\'t have to start from a blank page.
What's inside
5 interactive tools
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Audio narration
Listen as you read — chapter by chapter.
Sheet music player
Notation that plays back at any tempo.
Virtual instrument
Synth/sampler — tap or play to compose.
Quizzes
Per-chapter checks with feedback.
Spaced flashcards
Built-in SRS that travels with you.
Why ActiveBooks
- ✓ Everything runs right in your browser — no setup, no install
- ✓ Lifetime updates as the author adds new chapters and tools
- ✓ Your state stays — bookmarks, parameters, notes