The festival will celebrate its second birthday in the yard of a former tobacco factory.
Roisin Murphy will take the stage on August 2, and organisers say that apart from new material she will also perform songs from her time as a member of the electronic dance music duo Moloko.
The London-based Morcheeba, who have changed several music genres over the past two decades, blending elements of trip-hop, alternative rock, R&B and downtempo, play on August 17.