Chaging the Ratio of an upright piano using the abstracts
14:45
Garn piano restauratie - deel 2: Het mechaniek
5:22
Old Player Piano gets a Modern Upgrade!!
23:41
Upright Regulation
18:47
Ibach Grand piano Wessell, Nikkel & Gross upgrade
8:16
Boston Upright Piano Pedal Noise
59:24
How to tune a piano - Beginner’s Guide (free 1hr course)
42:21
Réparation d'un piano droit Rordorf de 1905 avec mécanique Hybride
5:31