Clip taken from forthcoming documentary 'Everything Will Change'
'Everything Will Change' features live footage from 2013's tour
Duo reformed earlier year to celebrate 10th anniversary of 'Give Up' album
The newly-reformed band cover a Beat Happening song
Track is one of two new songs that feature on the 10th anniversary reissue of 'Give Up'
The Funny Or Die video also features Ben Gibbard, Aimee Mann and Al Yankovic
Reformed duo share previously unheard track
Newly reformed duo will also headline Coachella
The 10th anniversary release will come out on April 8
A new website appeared for the cult band and hinted at 2013 reunion
Bright Eyes is set to feature on new album