yamaha psr e473 styles|| all 15 ballad style demo
16:25
yamaha psr e473|| all 45 dance style demo
11:05
STYLE CATEGORY BALLAD YAMAHA PSR E473 RITMOS DE FABRICA
17:21
Yamaha PSR-E473 Mic Input (& PSR-EW425)
1:04:25
Yamaha PSR-EW425 Keyboard - 35 Groove Creator Patterns Part 2/2
56:19
DEMO YAMAHA PSR SX920 & SX720 Martin Harris and more demonstrators
6:45
yamaha psr e473|| all 17 R&B style demo
20:58
Recording Yamaha PSR-E473 & PSR-EW425 - Video 1: Recording Multi-Track MIDI Songs
12:39