YAMAHA PSR-S670 Demo & Review - Sound & Style [English Captions]
15:53
Yamaha PSR-S670 demo - test dla E MUZYK pl
13:08
Синтезатор YAMAHA PSR-S670 (обзор и демонстрация звуков, ритмов, Dj-функции )
21:01
Comparsion Roland BK5, Korg Pa300 VS Yamaha S670
17:04
Yamaha PSR S-670 sound demo (voices and styles)
7:53
Yamaha PSR-S670 - Brzmienia - Voices - Keyboard4me.pl
10:08
Yamaha PSR S670 Accordion
6:58
Presentation of PSR-S670, English
8:01