"The Sound of Music".

The musical that made Broadway the center of American musical theater production was "The Sound of Music," which premiered in 1959 at Broadway's Rude Square Theater Park and became the second longest-running Broadway show in the 1950s. The musical was filmed in 1965 and made into a film version. It appeared on the world stage and was loved by millions of viewers in various countries around the world. It has become a classic among the classics of Hollywood musicals and musicals.

Broadway is an important north-south passage in New York City and an important birthplace of American drama and musicals, so it has become synonymous with musicals.