Grand Regulation
23:41
Upright Regulation
18:35
How a Grand Piano Action Works
7:35
Grand Piano Action Regulation - Part 2
16:20
Klavier - Reparatur - Teil 3 von 3 - Hammerköpfe, Regulierung, Stimmen, Intonation und Klangprobe
16:34
Yamaha C7 Hammer Filing & Voicing
10:00
Granny Voicing
10:26
Piano Regulating - Adjusting Let-off On a Grand Piano I HOWARD PIANO INDUSTRIES
6:26