Here's the set list: first you learn it — 3 quick hands-on cards. Then you prove it — 6 theory and 2 ear-training challenges. Every right answer adds a bar to tonight's song, Glass City (C Lydian, 💓 Heartbeat).
📝 Riff sheet
A polychord stacks two complete triads, like D major over C major. Together they make one big color — D over C is the sound of C Lydian.
Covers: Two triads sounding at once, D over C as Lydian color, polychord notation. Turn your sound up.