Exclusive! Hear A Chorus Line Composer Marvin Hamlisch's First Performance of 'At the Ballet'

If you missed Marvin Hamlisch: What He Did for Love on PBS, you can catch up with this fascinating new documentary via iTunes (available now) and on DVD and digital download directly from the filmmakers (www.marvinhamlischmovie.com) on January 14. The DVD will include a 17-minute-long extra feature "Marvin Hamlisch and Ed Kleban: A Beautiful Collaboration," and Broadway.com has an exclusive audio clip of the Chorus Line composer and lyricist performing their achingly beautiful ballad "At the Ballet" for director Michael Bennett at the show's first workshop. Click below to savor the moment, click here to read documentary director Dori Berinstein's reflections Hamlisch, and don't miss What He Did for Love.