Okkervil River were on Letterman and performed ‘Pop Life’ from their 2008 release “The Stand Ins”. You can watch the performance below.
[youtube=http://www.youtube.com/watch?v=M5mX1dpoN_U&color1=0xb1b1b1&color2=0xcfcfcf&feature=player_embedded&fs=1]
Okkervil River – Song of Our So-Called Friend [zshare]