Joseph Allen "Country Joe" McDonald was an American singer, songwriter, musician and film composer, who was the lead singer and co-founder of the 1960s psychedelic folk-rock group Country Joe and the Fish. He wrote some of the group's most well-known songs, including "Not So Sweet Martha Lorraine" and "I-Feel-Like-I'm-Fixin'-to-Die Rag", the latter a protest song against U.S. involvement in the Vietnam War.