Roots of John Greaves

Henry Cow were an English experimental rock group, founded at the University of Cambridge in 1968 by multi-instrumentalists Fred Frith and Tim Hodgkinson. Henry Cow's personnel fluctuated over their decade together; alongside Frith and Hodgkinson, however, drummer Chris Cutler, bassist John Greaves, and bassoonist/oboist Lindsay Cooper were important long-term members.

Manticore Records is a record label launched by the Manticore production company in 1973. These companies were owned by the members of the progressive rock group Emerson, Lake & Palmer and their manager, Stewart Young. The manticore was first featured in the artwork for the second ELP album Tarkus, as one of the eponymous creature's adversaries. Manticore was initially the name given to ELP's music publishers, credits first appearing in the credits on Trilogy, released on Island in 1972.