Cleaning under the strings of a grand piano
28:48
Steinway & Sons model D - Akoestiek revisie
7:11
Cleaning 80 Years of Dust From a Piano
1:00:58
Piano Restoration Timelapse - Mason & Hamlin - With Commentary
9:06
How to Clean Your Piano
13:47
Restringing a Steinway Grand Piano 2021
18:35
How a Grand Piano Action Works
15:23
The Making Of a Bosendorfer
16:34