Mastodon Headed To The Late Show With David Letterman [VIDEO]Mastodon Headed To The Late Show With David Letterman [VIDEO]David Letterman is letting it rock on Late Night. The Foo Fighters will wrap up a full week of shows on Friday night.Jon MichaelsJon Michaels
![Mastodon Headed To The Late Show With David Letterman [VIDEO]](http://townsquare.media/site/104/files/2014/10/102187955.jpg?w=980&q=75)
