Ant Trip Ceremony, formed in 1967 was composed of Detray on lead guitar, multi-instrumentalist George Galt, Roger Goodman as lead vocalist, Gary Rosen on bass guitar, Jeff Williams on drums, and Mark Stein on percussion, a musical instrument that is sounded by being struck or scraped by a beater.
1967 (1967)1968 (1968) The Ant Trip Ceremony was an American psychedelic rock band formed in Logan, Utah in 1967. The second band included Detray on lead guitar, multi instrumentalist George Galt, Roger Goodman as lead vocalist, Gary Rosen on bass guitar, Jeff Williams on drums, and Mark Stein on percussion. A percussion instrument is a musical instrument that is sounded by being struck or scraped by a beater including attached or enclosed beaters or rattles struck, scraped or rubbed by hand or struck against another similar instrument. 
