This Broadway musical with a one-word title was written by Rodgers and Hammerstein in 1943, won the Pulitzer prize in 1944, was turned into a film in 1955, and was the first musical to include a ballet in it. What was it?

The landmark 1943 production that forever changed the American musical was the very first collaboration between composer Richard Rodgers and librettist Oscar Hammerstein II. Based on the 1931 play "Green Grow the Lilacs," this show broke from tradition by fully integrating its songs and story, creating a cohesive narrative where every element served the plot. This new format, often called the "book musical," became the gold standard for Broadway for decades to come.

A key part of this innovation was its revolutionary use of dance. Choreographer Agnes de Mille created a stunning 15-minute "dream ballet" to close the first act. Instead of being a simple diversion, the ballet explored the main character Laurey's inner conflict and fears, advancing the plot in a purely visual and emotional way. This groundbreaking approach was a first for musical theatre and contributed to the show's immense critical success. Its importance was officially recognized when it was awarded a special Pulitzer Prize in 1944, a rare feat for a musical. The beloved story was later adapted into an Academy Award-winning film in 1955, cementing its place in popular culture.