W.Hoffmann Piano Maintenance
22:49
Bechstein A mechaniek revisie
28:48
Steinway & Sons Model D Acoustics rebuild
29:24
SITKA | a piano documentary
12:18
Dangerous Fastest Monster Wood Chipper | Incredible Tree Working Crushing Everything in Sight! #17
9:24
Nach Gletscherabbruch in der Schweiz: Risiko für Flutwelle wird geringer
11:43
Upgrading a Steinway & Sons with a Wessell, Nickel & Gross action
30:53
The Fascinating World Inside of a Piano
23:27