Finishing the Hat, a book by American musical theatre composer and lyricist Stephen Sondheim, contains the lyrics from which musical Sondheim collaborated with Burt Shevelove?
Finishing the Hat: Finishing the Hat: Collected Lyrics (1954–1981) with Attendant Comments, Principles, Heresies, Grudges, Whines and Anecdotes is a book by American musical theatre composer and lyricist Stephen Sondheim. Finishing the Hat:  The book contains Sondheim's lyrics from his first professionally staged show, "Saturday Night" (1954) through "West Side Story", "", "A Funny Thing Happened on the Way to the Forum", "Anyone Can Whistle", "Do I Hear a Waltz? Finishing the Hat: ", "Company", "Follies", "A Little Night Music", "The Frogs", "Pacific Overtures", "", and ending with "Merrily We Roll Along" (1981), stopping just short of the Pulitzer Prize-winning "Sunday in the Park with George" (1984) which contains the song from which the title of the book is taken. The Frogs (musical): The Frogs is a musical "freely adapted" by Stephen Sondheim and Burt Shevelove from "The Frogs", an Ancient Greek comedy by Aristophanes.
The Frogs