Richard Dean Zehringer (August 5, 1947 – May 26, 2025), known professionally as Rick Derringer, was an American guitarist, singer and songwriter. He first achieved commercial success in the 1960s with his band the McCoys. Their debut single, "Hang On Sloopy", reached number one in the United States in 1965 and is regarded as a representative recording of the garage rock era. The McCoys had seven songs reach the US top 100, including versions of "Fever" and "Come On, Let's Go". Read more on Last.fm