Blood Red Shoes, Brakes, Pull Tiger Tail, Fear Of Flying and The Officers are the latest names to be added to the Insomniac's Ball line-up.
They join The Longcut, Shy Child, Shakes, These New Puritans, Bolt Action 5, Headland and A Human. Two more acts are to be announced.
The event takes place on Thursday April 5 at the SeOne in south London.