Demo Yamaha DGX 670 ( instrumental)
22:10
Démonstration du piano numérique YAMAHA DGX-670 - Magasins SEVENEANT MUSIQUE
18:28
Yamaha DGX-670 piano | Long play #1
1:32:39
Yamaha DGX 670 - the Styles
28:21
Yamaha DGX-670 demonstration | The Booth #12
4:09
Power of Love on YAMAHA DGX-670
19:35
Yamaha DGX-670 - New Features
12:30
Yamaha PSR SX920 │Probando ritmos
39:33