"2004Z"^^ . "non_vocal_instrumentalist" . . "1946Z"^^ . . "1916-12-01Z"^^ . "Leonard Stein"@en . . . . . "Leonard David Stein (December 1, 1916 \u2013 June 23 or 25, 2004) was a musicologist, pianist, conductor, university teacher, and influential in promoting contemporary music on the American West Coast. He was for years Arnold Schoenberg's assistant, music director of the Schoenberg Institute at USC, and among the foremost authorities on Schoenberg's music."@en . . .