Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Korg PA700 vs Yamaha PSR S770 Direct Voice Comparisons AMAZING!!!. That video is uploaded by Bonners Pianos & Keyboards at 2017-11-05T10:37:27-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [SnduuDIIe4A]