On July 25, 1975 A CHORUS LINE opened at the Shubert Theatre on Broadway. Conceived and Originally Directed and Choreographed by Michael Bennett with a Book by James Kirkwood & Nicholas Dante, Music by Marvin Hamlisch, Lyrics by Edward Kleban and Co-Choreographed by Bob Avian, A CHORUS LINE was an unprecedented box office and critical hit. The musical received twelve Tony …