Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Concert Grand Comparison: Bösendorfer Imperial 290, Steinway D-274 and Yamaha CFX. That video is uploaded by Synchron Stage Vienna at 2017-09-22T07:24:50-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [T2GYYV8JSqM]