The "Blues Magoos" were a music group which hailed from the Bronx. The band was formed in 1964 as "The Trenchcoats". The original members were Emil Thielhelm aka Peppy Castro (vocals and guitar), Dennis LaPore (lead guitar), Ralph Scala (organ and vocals), Ronnie Gilbert (bass) and John Finnegan (drums). The band made a name for itself in various clubs in Greenwich Village. By 1966 the band had changed its name to fit in with the psychedelic vibe of the times - they first changed their name to the Bloos Magoos, though they changed that to the more conventional Blues Magoos. They also made some line-up changes, bringing in Mike Esposito as lead guitarist, and Geoff Daking as drummer.
Like their name, the group's sound was of the psychedelic variety. They released singles on smaller labels, like Ganim Records and Verve Records, but those singles did not gain the band much recognition. However, Mercury Records signed the band to a record deal in late 1966 and the group's debut album, ''Psychedelic Lollipop'' was released shortly thereafter. It was one of the first records to contain the word "Psychedelic" on the sleeve (along with the 13th Floor Elevators' ''The Psychede...