This US trio, who were a pivotal influence on the Beatles, among many others, were among the first to authenticate the notion that "white men can play the blues". Tony "Little Sun" Glover, Dave Ray (b. 17 August 1943, St. Paul, Minnesota, USA, d. 28 November 2002, Minneapolis, Minnesota, USA) and "Spider" John Koerner (b. 31 August 1938, Rochester, New York, USA) first began to play together in the early 60s. Koerner had previously been a contemporary of Bob Dylan at the University of Minnesota.