Yamaha Upright Piano Hammer Spring Problem
28:07
Get the Bobble Out of Your Hammer!
15:53
Diagnosing The Sticking Piano Key - Piano Tuning & Repair I HOWARD PIANO INDUSTRIES
19:05
Grand Piano Action Reconditioning
59:24
How to tune a piano - Beginner’s Guide (free 1hr course)
8:48
Vertical piano regulation - let off
13:40
Lauréat 2020 : Pierre Fuhrer I Réparateur, accordeur et facteur de pianos
7:00
Regulating spoons on the vertical piano - even damper lift from the key
8:45