Glastonbury 2011: The 20 Must-See Acts On Friday (June 24)

Glastonbury have announced the acts that will play at this year's festival - and we're counting down the must-see acts on each day of the festival.

U2, Morrissey and Biffy Clyro will be some of the acts set to appear on the Friday night (June 24) of this year's Glastonbury festival, in Somerset from June 24 – 26.

Other acts on the bill include Wu Tang Clan, The Kills, Primal Scream, Mumford and Sons, DJ Shadow and Mona.

To celebrate the world's greatest annual live music event, Gigwise has put together a countdown of the 20 must-see musicians that will appear on the Friday night of Glastonbury festival this year, which also includes Warpaint and Two Door Cinema Club.