April M. Coates (born 6 September 1970, Melbourne) is an Australian dance music and pop singer-songwriter and producer, best-known as Cheyne Coates. She and Andrew Van Dorsselaer (aka Andy Van) were the pop duo, Madison Avenue. Their song "Don't Call Me Baby" peaked at number two on the Australian Recording Industry Association (ARIA) Singles Chart in 1999 and at the top of the UK Singles Chart and the Billboard dance charts in 2000. Since the break-up of Madison Avenue in 2003, Cheyne recorded an album, Something Wicked This Way Comes, and its first single "I've Got Your Number" which reached No. 26 in 2004.