Since 1999, indie rock band The National has been making dark, soulful and heartbreaking music. In honor of the band's success, a documentary film, "Mistaken for Strangers," was released in 2013 and chronicled the band's long journey. Now, Funny Or Die has decided to adapt the acclaimed documentary into a play--starring beloved actor Zach Galifianakis. 

READ MORE: Tribeca Review: 'Mistaken For Strangers' Is Less Rock Doc On The National Than Inoffensive Sibling Rivalry Farce

The video introduces the documentary (which is now available on iTunes) as well as "Mistaken for Strangers: The Play" and shows Galifianakis taking on the role of a lifetime. 

Check out the video below.