In 1964, The Statler Brothers began singing backup for a singer born in what year?
The Statler Brothers: The Statler Brothers (sometimes referred to in country music circles as simply The Statlers) were an American country music, gospel, and vocal group. The Statler Brothers:  The quartet was formed in 1955 performing locally and, in 1964, they began singing backup for Johnny Cash. Johnny Cash: John R. Cash (born J. R. Cash; February 26, 1932 – September 12, 2003) was an American singer-songwriter, guitarist, actor, and author.
1932