The MusicCast2 system from Yamaha is quite possibly the best way for you to integrate music into your home network. And at the heart of the MusicCast2 system is the MCX-RC100, better known as the Network Music Commander. This palm-sized device allows you to use a viewscreen and integrated controls to manage whats playing in any room in the house. Using your home wireless network, the Network Music Commander controls up to 32 clients from almost all your music sources including your computer library, USB drives, internet radio, and even Rhapsody music service.