I love cover songs. Standards are set, revisited, and transformed through covers. These interpretations can all be linked together by Six Degrees of Music Separation.(Thanks to Music For Kids Who Can't Read Good for the idea.)
From Beck to Fleetwood Mac, All links lead to YouTube, unless noted:
Wraith Pinned to the Mist and Other Games (of Montreal Cover) - Beck (HypeMachine)
Know Your Onion! (The Shins Cover) - of Montreal
We Will Become Silhouettes (The Postal Service Cover) - The Shins
Against All Odds (Peter Gabriel Cover) - The Postal Service
Cape Cod Kwassa Kwassa (Vampire Weekend Cover) - Hot Chip and Peter Gabriel
Everywhere (Fleetwood Mac Cover) - Vampire Weekend