Robert Estrin: Conquer Trills on the Piano - From the Piano Expert

https://www.virtualsheetmusic.com/experts/robert/conquer-trills-on-the-piano-2/ - Playing clean, rapid trills on the piano seems like an impossible physical feat—until you understand the mechanics of arm weight, finger release, and measured counting. In this comprehensive masterclass, Robert Estrin breaks down the fundamental differences between trills and mordents, reveals the historical rules of upper-auxiliary start notes, and shares the secret 3-1-3-2 fingering rotation used by concert pianists to eliminate tension forever.