Yamaha MX88 - My 10 Favorite Sounds
19:14
Yamaha MX61 review - Tracks with the onboard sounds
25:31
Démonstration du clavier arrangeur YAMAHA PSR-SX600 - Magasins SEVENEANT MUSIQUE
16:22
Yamaha MX88: Is It a Synthesizer?
17:36
Yamaha MX88 Synthesizer In-Depth Demo
29:21
Yamaha MX88 by MeX (Subtitles)
13:01
Advanced technique of the yamaha mx61 custom voice performance and assign 1, assign 2 knob
13:13
YAMAHA-MODDX8/MODX+ Synthesizer overview and sound demo 
21:09