Andy Williams Sings Rodgers and Hammerstein 1", which contains 17 of his studio albums and three compilations and was released on June 26, 2001. In AllMusic, William Ruhlmann wrote that Williams "wasn't really a rocker, even if he sometimes pretended to be one for commercial purposes at the behest of Cadence Records head Archie Bleyer" and that he "was allowed to show his true colors by recording a collection of Rodgers & Hammerstein songs from the musicals "Oklahoma!", "Carousel", "South Pacific", and "The King and I". The result was the birth of the Andy Williams his fans knew from then on." Ruhlmann felt that "Williams revealed
Rodgers and Hammerstein an integrated whole. Stephen Sondheim has cited Rodgers and Hammerstein as having had a crucial influence on his work. Rodgers and Hammerstein also use the technique of what some call the "formula musical". While some hail this approach, others criticize it for its predictability. The term "formula musical" may refer to a musical with a predictable plot, but it also refers to the casting requirements of Rodgers & Hammerstein characters. Typically, any musical from this team will have the casting of a strong baritone lead, a dainty and light soprano lead, a supporting lead tenor, and a supporting alto lead.