Clock Opera, Lucy Rose and Two Wounded Birds are among the new acts confirmed to join headliners The Fall and The Joy Formidable at SWN Festival in Cardiff City Centre from the 20-23 October.
The Welsh music festival returns for its fifth year expanding to four days for the first time.
Acts already confirmed for SWN Festival 2011 include Esben and the Witch, And So I Watch You From Afar, Creatures of Love, Clock Opera, Bleeding Heart Narrative, Herman Dune and Benjamin Francis Leftwich.
More acts joining the existing line-up include Seams, Copy Haho, Theme Park, The Broken Vinyl Club, Tiger Please, Saturdays Kids, Sweet Baboo, Dividers, Racehorses and Greta Isaac.
In other SWN Festival news, US band Tribes have cancelled their scheduled appearance, along with the first half of their UK tour.
Click for the latest SWN Festival line-up.
A four-day SWN Festival ticket is priced at £49.50 with day tickets available for between £10 and £25.
Tickets for certain individual acts are also available.
Click here to buy SWN Festival Tickets.