Some other good combo songs are "My girl" by The Temptations and "Pumped Up Kicks" by Foster The People (Minus the solo)
If you want a good chord song for just chords, just play house of the rising sun over and over again. Very good for chords
SillyStou: What will happen to this place when Rock Band ceases to exist?
RockBandRocker: We will all migrate to the Dance Central forums. It will be like Moses leading the Israelites out of Egypt.
Munnchy: Only Flashier, with impeccable dance moves.
RockBandRocker: With more glitter and glam. We will survive
The "Happy 2013th Birthday America" twitter account still exists and is not protected. In fact, the tweet itself still exists. Most disappointing, because if it were genuine, the person surely would have run and hid. Must have been trollin'.