BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
6722 / 18210 · Workshop 49 — “Footprints” Revisited at the Advanced Level: 6/4, 3-over-2, Ostinato Independence, Metric Displacement, and Keeping a Groove Stable While the Phrase Floats← prev⊞ allnext →

49.88Ear Drill — did the meter actually change?

When RH sounds like 4/4 over LH 6/4:

ask:

Did the quarter-note pulse change?

No.

Did the LH six-beat cycle change?

No.

Only the melodic periodicity changed.

That's metric illusion.