He won a Tony Award as music director of Flower Drum Song.
[3] Dell'Isola was hired by Rodgers and Hammerstein to conduct a touring production of Oklahoma!
[1] He also served as musical director for many productions at the Westbury Music Fair[2] Dell'Isola conducted the annual large-scale New York Philharmonic Orchestra Rodgers and Hammerstein concerts for 16 years.
[4] In 1987, he won a belated Grammy Award for the South Pacific cast album.
[2] Dell'Isola continued to conduct through the 1980s[1] and died of heart failure in West Islip, New York, at the age of 88.