BJ Nilsen (SE) is a composer and sound artist based in Amsterdam. His work primarily focuses on the sounds of nature and how they affect humans. Recent work has explored the urban acoustic realm and industrial geography in the Arctic region of Norway and Russia. His original scores and soundtracks have featured in theatre, dance performances and film, in collaborations with Chris Watson, Jóhann Jóhannsson, Stilluppsteypa and others. He co-edited the book+CD publication The Acoustic City (2014), published by jovis. His two latest solo albums Eye Of The Microphone (2013) and The Invisible City (2010) were released by Touch. In 2014, Nilsen collaborated with filmmaker Karl Lemieux on the audiovisual work unearthed, which was presented along with the Sonic Acts publication The Geologic Imagination. In 2017 Editions Mego releases Massif Trophies, an exploration of acoustic environments in the alpine landscape.