What is "fiorello!"

Fiorello! is a musical about New York City mayor Fiorello H. LaGuardia, a reform Republican who took on the Tammany Hall political machine. The book is by Jerome Weidman and George Abbott, drawn substantially from the 1955 volume Life With Fiorello by Ernest Cuneo, with lyrics by Sheldon Harnick, and music by Jerry Bock. It is one of only nine musicals to win the Pulitzer Prize for Drama.

Fiorello! is a 1960 album by Oscar Peterson, of compositions from the musical Fiorello! by Sheldon Harnick and Jerry Bock.