CEDIA 2015: Yamaha Showcases MusicCast Audio, Its New Wireless Multi-room Audio System October 17, 2015 | Home / October 17, 2015 rave-video / CEDIA 2015: Yamaha Showcases MusicCast Audio, Its New Wireless Multi-room Audio System CEDIA 2015: Yamaha Showcases MusicCast Audio, Its New Wireless Multi-room Audio System