Which mass murderer was the Wilson brother who sang on "In the Back of My Mind" associated with?
In the Back of My Mind: "In the Back of My Mind" is a song written by Brian Wilson and Mike Love for American rock band the Beach Boys, first released on their 1965 album "The Beach Boys Today! In the Back of My Mind:  Dennis Wilson largely sings lead unaccompanied though briefly during the middle-eight, his brothers Brian and Carl sing two lines in unison. Dennis Wilson:  He was also known for his brief association with then-aspiring songwriter Charles Manson, who was later convicted of murder conspiracy.
Charles Manson