DESCRIPTION:
Radio 1 got Reading festival to sing along to My Songs Know What You Did In The Dark by Fall Out Boy!

Starring, in order of appearance, Greg James, Frank Turner, Dan & Phil, Chris Stark, Fall Out Boy, Ally McCrae, Harry Styles (sort of), Bring Me The Horizon, Haim, Bastille, Phil Taggart, Jen Long, Skrillex, Huw Stephens, Kodaline, Lady Gaga (sort of) & Grimmy

This video could not have been made without the Rockers & Ravers of Reading & you beautiful Instagrammers sending in your vids from home. THANK YOU ALL ^_^

:: http://www.bbc.co.uk/radio1/danandphil