. . . . . "solo_singer" . . . . . . "Ralph Cato is an American baritone singer. Cato performs opera, oratorio, and musical theatre. He performs internationally, and currently serves as, a faculty member at University of California, Riverside teaching vocal studies."@en . "Cato, Ralph"@en . . . . . "Ralph Cato"@en . . "American singer" . . . . . . . . .