Vivienne Jill McAuliffe (19 July 1948 – 21 October 1998) was an English singer and songwriter, best known as lead singer of English jazz-rock fusion band Affinity and as a founding member of Principal Edwards Magic Theatre while at University of Exeter.

McAuliffe also worked with Patrick Moraz while he was a member of the rock band Yes, singing on his first two solo albums.

In 1968 McAuliffe was a founder member of a loosely-based artistic co-operative called the Principal Edwards Magic Theatre at Exeter University.

[2] The Principal Edwards Magic Theatre produced two albums while McAuliffe was still a member; Soundtrack in 1969 and The Asmoto Running Band in 1971, both on the Dandelion label.

[1] Principal Edwards Magic Theatre Affinity Pete Brown Patrick Moraz Michael Chapman Anthony Phillips Gerry Rafferty Vapour Trails Aviator Camel