Make war, not love! You'll be equipped to make and share your music as well, opening up Xbox Live to an unyielding torrent of tunes. 11:43 am PT: A brand name new new music bash encounter is coming exclusive to Xbox 360 from Microsoft Game Studios. 11:32 am PT: It'll be the 1st retail game to utilize the avatars. 11:49 am PT: Oh, it is really "Mercy" Duffy. Duffy. Honestly, we have no thought who she is.