Question: When was the  American actor, singer and songwriter born who's album was A Touch of Blue?
Sentence (from "David Cassidy"): He is known for his role as Keith Partridge, the son of Shirley Partridge (played by his stepmother Shirley Jones), in the 1970s musical-sitcom "The Partridge Family", which led to his becoming one of popular culture's teen idols and pop singers of the 1970s.
Relevant evidence: No