Eluvium hosted a guest show on 18 June 2019. Eluvium has been played on NTS over 30 times, featured on 28 episodes and was first played on 2 April 2016.

Eluvium is the recording project of Matthew Robert Cooper, a Portland-based musician and composer whose work is a mesmerizing blend of ambience, electronics, classical piano, drone, shoegaze, and minimalism. Since 2003 Cooper's output (including six full-length albums) has been primarily released by New York City label Temporary Residence Limited. He has released music under his birth name and as Martin Eden, recorded in duos Inventions and Concert Silence, and collaborated with Peter Broderick.