Final answer:
The musical that features a 15-minute dream ballet choreographed by Agnes de Mille is Oklahoma!. This musical was a critical and commercial success, becoming an enduring classic due to its integration of complex characters, psychological themes, and innovative choreography, eventually receiving numerous prestigious awards.
Step-by-step explanation:
The Iconic Dream Ballet of Oklahoma!
The musical featuring a 15-minute dream ballet choreographed by Agnes de Mille is Oklahoma!. This groundbreaking production revolutionized musical theater with its blend of traditional musical elements and psychological depth. The dream ballet specifically was a standout feature, illustrating the main character's internal conflicts and desires.
Choreographed by de Mille, it was innovative in that the choreography influenced the music's composition, with de Mille insisting that music be written to match her choreographic vision. The success of Oklahoma! can be attributed to its clever integration of social issues, dramatic dance sequences, and deep character development within a relatable American setting.
Under the guidance of the masterful director, Rouben Mamoulian, and with a focus on actor's abilities over star status, the musical became a historic success. It astounded audiences and critics alike, running for over five years with 2212 performances, and solidifying itself as a staple in musical theater.
The show's popularity extended beyond Broadway, with performances across the globe and for troops during World War II. Further securing its legacy, the musical has received numerous prestigious awards including the Pulitzer Prize and sustained yearly performances across hundreds of theaters.