First up, two a capella songs or, one and a half.
The Fleet Foxes find themselves in a beautifully resonant room inside a warehouse:
Grizzly Bear does a less skilled, but less serious a capella number (or doowop, maybe?). It’s a cover of their song “The Knife”, as they walk down the street bopping and cracking up.
Finally, Vampire Weekend boards a sketchy peda-van to perform their “Mansford Roof”:
Oh, and here’s De Kift: