Conversation so far:
Who were the members of the band Funkadelic, and the band Parliament?
Billy Bass Nelson, Eddie Hazel, and Tawl Ross were some of Funkadelic's musicians. George Clinton, Ray Stingray Davis, and Clarence Fuzzy Haskins were some of Parliament's musicians.

Question: When did they get together?
Self-contained rewrite: When did Parliament and Funkadelic get together?