With the launch of Halo 4 coming next week iHeart Radio has temed up with 343 Studios and created Master Chief Radio and is titled as "Music to play Halo 4 by, a 343i mix"
Look up the station on your iHeart app or Listen via web browser HERE
Additional info:
Pre-order Halo 4 HERE and get the Web Armor + $10 Amazon instant video credit
Join in the iheart Radio/Xbox/Facebook Contest for your chance to win a Halo 4 console bundle HERE