For the next two weeks you can enter to win autographed sheet music from the orchestral recording of the song in Los Angeles. You can listen to the Rainbow Six Theme here, and read/ watch below to learn about the contest: Contest Description: Autographed Sheet Music - Rainbow Six Siege Invitational Theme. Enter for your chance to win autographed sheet music from the recording of the "Rainbow Six Siege Invitational Theme song!" Danny Cocke autographed each of these right aft