Richard Rodgers and Lorenz Hart are one of the defining duos of musical theater, contributing dozens of classic songs to the Great American Songbook and working together on over 40 shows before Hart's death. With hit after hit on both Broadway and the West End, they produced many of the celebrated songs of the '20s and '30s--such as "Manhattan," "The Lady is a Tramp," and "Bewitched"--that remain popular favorites with great cultural resonance today. Yet the early years of these iconic collaborators have remained largely unexamined.

We'll Have Manhattan: The Early Work of Rodgers &...