5. A Chorus Line
After showing a few times Off-Broadway, A Chorus Line the musical, scored by Marvin Hamlisch and Edward Kleban, and directed by Michael Bennett, premiered on Broadway on July 25, 1975. Set in the 1970s in New York City, the show follows a group of dancers as they audition for a part in a new show in front of a demanding director. The musical was an unprecedented success, winning nine Tony Awards and the 1976 Pulitzer Prize for Drama. Today, it remains the 6th longest-running Broadway show ever.