 Though Mandelbaum doesn't mention it, Allen was a guest on the episode of "The Judy Garland Show" in which she featured Allen's songs from "Sophie".Later, a "compiled" recording of "Sophie" was released with vocals by Allen, Libi Staiger, Garland, and others.Allen's other produced musical was the 1969 London show "Belle Starr", which starred Betty Grable as the American West character.