Jim Murray was a guitarist

Guitarist

A guitarist is a musician who plays the guitar. Guitarists may play a variety of instruments such as classical guitars, acoustic guitars, electric guitars, and bass guitars. Some guitarists accompany themselves on the guitar while singing.- Versatility :The guitarist controls an extremely...

 and harmonica

Harmonica

The harmonica, also called harp, French harp, blues harp, and mouth organ, is a free reed wind instrument used primarily in blues and American folk music, jazz, country, and rock and roll. It is played by blowing air into it or drawing air out by placing lips over individual holes or multiple holes...

 player for the psychedelic blues rock band Quicksilver Messenger Service

Quicksilver Messenger Service

Quicksilver Messenger Service is an American psychedelic rock band, formed in 1965 in San Francisco.-Introduction:Quicksilver Messenger Service gained wide popularity in the Bay Area and, through their recordings, with psychedelic rock enthusiasts around the globe and several of their albums ranked...

. He left the band in late 1967 shortly before they recorded their first album.

The outtakes from the movie Monterey Pop

Monterey Pop

Monterey Pop is a 1968 concert film by D. A. Pennebaker that documents the Monterey Pop Festival of 1967. Among Pennebaker's several camera operators were fellow documentarians Richard Leacock and Albert Maysles...

have rare footage of Quicksilver from their early days with Murray playing rhythm guitar and singing "Dino's Song". After Murray left, the group remained a quartet until the lead vocalist slot was filled by Dino Valente.