Jazz music is a popular music that originated in New Orleans in the southern United States in the late 19th and early 20th centuries. From it, you can find American folk tunes, black spiritual songs and various village folk rhymes, with diverse styles and strong dynamics. The first great unforgettable song and dance was called "Watch Your Step" and was performed at the New Amsterdam Theater in 1914. The person who made the most contribution to this matter was Alvin Berlin. He composed songs with delicate syncopated beats that forever bonded the American musical theater stage with jazz music. "Jazz" became the "musical slang" of musicals. Many composers also introduce jazz elements into their creations. George Gershwin pioneered a "symphonic" jazz style. In 1924, "Bravo, Lady" created by the Gershwin brothers pioneered the jazz dance style of Broadway musicals in the 1920s. The play also made Fred Astaire and his sister Adler become Broadway's premier musical star. So far, American musicals have ushered in a new era, and their works have gradually matured.

From the 1940s to the 1960s, influenced by European vaudevilles and jazz music, a large number of outstanding classic Broadway musicals were produced. The works during this period have become young classics: such as "Oklahoma" (1943), which is set in the Oklahoma pioneer area in the southwestern United States. The play was made into a movie in 1955 and won the Academy Award. , 1964 by Alvin; Lin's "Annie, Get Your Gun"; Cole Porter's musical "My Fair Lady" based on George Bernard Shaw's play. It premiered in New York in 1956 and was made into a movie in 1964 and won an Academy Award; and "West Side Story" premiered in New York in 1957 and was made into a movie and won an Academy Award in 1961; in New York in 1964 The premiere, "Fiddler on the Roof", which reflected the fate of the Jews in Tsarist Russia, premiered in New York in 1964 and was made into a film in 1971 that won an Oscar.