 Elizabeth Josephine Sullivan Loesser was nominated for the Tony Award for Best Featured Actress in a Musical for her performance as Rosabella in "The Most Happy Fella",  a 1956 musical with a book, music, and lyrics by who?
The Most Happy Fella: The Most Happy Fella is a 1956 musical with a book, music, and lyrics by Frank Loesser.
i don't know