Summer Sundae Weekender is set to host a stage at Camden Crawl 2011, when the festival returns to Camden, north London from 30 April to 1 May.
Dog Is Dead, Lulu And The Lampshades, Delta Maid have been picked to play The Roundhouse Patio on the Saturday (30 April).
Peggy Sue, Dry The River and Young Dreams closing the event on the Sunday (1 May).
Summer Sundae Weekender has also teamed up with Bergenfest and organisers will be hosting 3 stages on 29 April in Bergen, Norway.
John Grant, Handsome Family and Gaggle will be playing at Bergenfest along with Nouvelle Vague, The Duke And The King, Alela Diane, Dry The River and Devon Sproule.
Summer Sundae Weekender 2011 itself will return to Leicester De Montfort Hall in Leicester from 12-14 August.