"Spider" John Koerner United States
"Spider" John Koerner (born August 31, 1938, Rochester, New York, United States) is an American guitarist, singer, and songwriter. He is best known as a guitarist and vocalist for the blues trio Koerner, Ray & Glover, which included Dave Ray and Tony Glover. He has also made albums as a solo performer and with collaborator Willie Murphy ("Spider" John Koerner & Willie Murphy). Koerner grew up in Rochester, New York, and after a brief military service attended the University of Minnesota.