He earned a reputation as a prolific writer; for example, at one time he had three musicals on Broadway: a rewritten The Merry Widow, Jackpot, and Dream with Music.
Ia memperoleh reputasi sebagai penulis yang produktif, misalnya suatu kali ia menulis tiga karya musik di Broadway: tulisan ulang untuk "The Merry Widow," "Jackpot" dan "Dream with Music."