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30:29
Pt2. Yamaha P-95 Digital Piano Repair With Dead Keys
13:39
YAMAHA Keyboard disassembly PSR-EW300 key & felt repair
8:22
How to fix a dead key on a keyboard - KORG SP170S Piano
12:31
Yamaha DGX640 NO SOUND - How to repair faulty electric piano that has no sound from speakers
34:39
Recuperación de P I A N O Digital | Restauración De Órgano Eléctrico De Teclado Electrónico Digital
20:06
Top 10 Synthesizers Of All Time
23:14
¿Por qué los guitarristas ODIAN a George Harrison?
23:37