It doesn't get better than this.
Here it is, the best DLC for the game then and still to this day. It may eventually be bested but for now Moving Pictures is the king of album downloadable content.
All the instruments are a blast to play, with Geddy Lee's signature vocals and basslines even more fun to play than listen to. Alex Lifeson is a great guitar player to base these tracks off of and, of course, Neil Peart's legendary drumming provides some of the most entertaining and challenging drum charts in the game.
The standout for me is "Limelight" but "Tom Sawyer", "Red Barchetta" and "YYZ" are close behind. The rest of the album is still all a blast, with "The Camera Eye", "Red Barchetta", "Vita Signs" and "Witch Hunt" proving as epic in-game as they are on vinyl.
If you say you like Rock Band, your collection is not complete without Moving Pictures.