Magic Numbers are the first headline act to be announced for the 2007 Summer Sundae Weekender.
Also playing at the Leicester event are, Echo and the Bunnymen, The Pipettes, The Rumblestrips, Duke Special, Gruff Rhys, Kitty Daisy and Lewis, Tiny Dancers, The Whip, Ben Taylor, Richmond Fontaine and Cud.
The early bird ticket offer will end Friday 9 March or earlier than this date if all of the limited tickets are snapped up. Tickets are priced at £75.
Summer Sundae 2007 takes place over the weekend of August 10-12.