The RB3_KEYS_FINAL_COMP 1.mov file you have requested: Media / Videos and Trailers / Official Videos / Rock Band 3 Keyboard Trailer - 56.74mb is not available. Upload any files you want to share. This is the only information we could locate:
Harmonix has released a new trailer for Rock Band 3. This trailer features over a minute of gameplay footage focusing on the keyboard set to a mash of songs available in the game.