Peter Cusack is an English artist and musician who is a member of CRiSAP (Creative Research in Sound Arts Practice), and is a research staff member and founding member of the London College of Communication in the University of the Arts London. He was a founding member and director of the London Musicians' Collective. 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 including: