Weeks 11-12 · transfer
Same shape, new starting note.
Why this matters: a phrase you know in one key isn’t a melody you own — it’s a key you memorized. Transposition is the test that the shape is internalized: same intervals, different starting note. This is the prereq for singing along in any key, which is what real-world a cappella demands.
4 trials. Each: hear a 3-note motif at the source tonic, then hear the new target tonic (a P5 or P4 above), then sing the same motif starting from the new tonic. Each note ±50¢ for 2s. Pass = land on the new tonic AND ≥2/3 notes — 3/4 passes the session.