Stream internal or external content (TV, CD Player, Blu-ray Disc Player, USB, and more) Access your music library from your smartphone, NAS drive or computer Stream from popular music services or from Internet Radio stations Listen to the same or different music in each room Listen to music throughout your whole home The MusicCast app lets you easily control them all. MusicCast is a streaming and multi-room audio system built into many Yamaha products, including sound bars, wireless speakers, AV receivers and more. Choose what you want to listen to, where and how with MusicCast.