Roots of Keith Emerson

Eugene McDuffy, known professionally as "Brother" Jack McDuff or "Captain" Jack McDuff, was an American jazz organist and organ trio bandleader. He was most prominent during the hard bop and soul jazz era of the 1960s, often performing with an organ trio. He is also credited with giving guitarist George Benson his first break.

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.