New Music Tuesday: LL Cool J, Jessica Sanchez, Iron Man 3 Soundtrack

It's the day the music industry releases all new music so let's see what they have in store fours this week. LL Cool J is back with "Authentic", Jessica Sanchez debuts "Me, You & the Music", Kenny Chesney releases "Life On A Rock", and you can get your "Iron Man fix" with the release of the Iron Man 3 soundtrack, "Heroes Fall".