Silver Apples, Roll The Dice and The Budos Band are among the latest additions for the ATP Nightmare Before Christmas 2011 line-up.
Joanna Newsom, Hot Snakes and Thurston Moore are amongst the new acts announced for the UK December ATP Festivals.
All Tomorrow's Parties have confirmed a third set of additions to their Nightmare Before Christmas festival, held from 9-11 December at Butlins in Minehead.
More acts have been announced for both ATP Festivals which will take place in December.
Squarepusher is set to play the Made in Japan benefit concert, which will take place at London's Kentish Town Forum on 21 April.
The annual event curated by Battles, Caribou and Les Savy Fav has announced the first bands.