Fleet Foxes are the latest band confirmed to play Oyafestivalen 2011.
A new act will be revealed every day this week on the festival's website and the folk-rockers follow yesterday's announcement that Explosions In The Sky will also be playing the event, which takes place in Middelalderparken in Oslo, Norway from 10-14 August.
Warpaint, Matthew Dear, Ghost and The Jayhawks are among the names already confirmed to be playing the festival.
Oyafestivalen 2011 tickets are on sale now, with four-day passes priced at 1995NOK.
Day tickets go on sale next Monday (17 January).