Question: Who is an English singer and songwriter, who has been the leader, singer and most active songwriter of Strawbs since 1967, Terry Kath or Dave Cousins ?
Sentence (from "Terry Kath"): Terry Alan Kath (January 31, 1946 – January 23, 1978) was an American musician and songwriter, best known as the original guitarist, one of the lead singers and founding members of the rock band Chicago.
Relevant evidence: Yes