High Quality Content by WIKIPEDIA articles! The Xbox Music Mixer is a multimedia accessory/utility developed by Wild Tangent and published by Microsoft Game Studios for the Xbox. The Xbox Music Mixer was released on December 1, 2003. The Xbox Music Mixer allows one to transfer certain types of music and pictures directly from a PC to the Xbox, though this requires a separate install on the computer. The Xbox Music Mixer also allows one to view photos on a TV set and create customized soundtracks to go with the photo slideshow.