Peter Cusack is an English field recordist, musician and sound artist with a long interest in the sound environment. He is based in London and Berlin. He is best known as a member of the avant garde musical quartet, Alterations (1978–1986; with Steve Beresford,
David Toop, and Terry Day), and the creator of field and wildlife recording-based albums. In 1998 he started the Favourite Sounds Project that explores what people find positive about the sounds of the cities—London, Beijing, Chicago, Prague, Birmingham, Berlin—where they live. His project Sounds From Dangerous Places (described as sonic journalism) investigates soundscapes at sites of major environmental damage including the Chernobyl exclusion zone, the Caspian oil fields in Azerbaijan, the Italian city of Taranto and the Aral Sea.