Ultra-Red has been played on NTS in shows including Moxie , featured first on 29 January 2017. Songs played include A16, A17 and Interference.

Ultra-red are a sound art collective founded in 1994 by two AIDS activists. Originally based in Los Angeles, the collective has expanded over the years with members across North American and Europe. Members in Ultra-red range from artists, researchers and organizers from different social movements including the struggles of migration, anti-racism, participatory community development, and the politics of HIV/AIDS.

With an art they describe on their website as "Exploring acoustic space as enunciative of social relations," Ultra-red develop explicitly political art…