Yamaha PSR-E473 - All Playing No Talking!
11:35
Yamaha PSR-E473 (Things I Wish I Knew Before Buying)
1:46:39
Richard Clayderman理查德克莱德曼经典钢琴曲
19:12
Yamaha PSR EW425 PSR E473 Tutorial
5:10
PSR E-473 Sounds
48:41
Aytaç Doğan - Kanun Resitali 2 (Live) (Full Albüm Video)
14:28
Yamaha PSR E473 keyboard demo
7:54
Roland E-X30 vs Yamaha PSR-E473
35:12