Simmerdim: Curlew Sounds is a double album, multi-artist project of newly-commissioned works and soundscapes, inspired by one of the UK's most iconic and endangered birds, the Eurasian curlew. Conceived by Merlyn Driver in conjunction with RSPB Love Nature... Simmerdim: Curlew Sounds is out today, featuring TUULETAR - Vocal Folk Hop, David Gray, Cosmo Sheldrake, Nathan Riki Thomson, Marja Mortensson and Daniel Herskedal, The Unthanks, Talvin Singh, El Búho featuring David Rothenberg, Emily Barker, Puuluup, Camilla George and Tamar Osborn + Tiny Leaves.