Even his less successful shows like Dear World (1969) and Mack and Mabel (1974) have had memorable scores (Mack and Mabel was later reworked into a London hit).
Chiar și spectacole lui cu mai puțin succes, ca Dear World (1969) și Mack & Mabel (1974) au avut mulțimi memorabile (Mack & Mabel a fost mai târziu refăcut ca succes la Londra).