Lewis Short
cantātor (noun M) : id.
* A musician, singer, minstrel (mentioned by Varr. L. L. 8, § 57 Müll.): vetus et nobilior Ario cantator fidibus fuit,Gell. 16, 19 (transl. of the Gr. κιθαρὡδός, Herod. 1, 23 Bähr): cantator cygnus funeris ipse sui,Mart. 13, 77.
Charlton T. Lewis, Charles Short, A Latin Dictionary