From the end of Act 2 from Borodin�s opera Prince Igor, which remained unfinished at the time of the composer�s death in 1887, this most famous version of the Polovtsian Dances (or Polevetsian Dances) was orchestrated by Nikolai Rimsky-Korsakov.  While the music includes choral/vocal parts, those are often omitted when performed as an orchestral showpiece.  This edition has been edited by Nancy M. Bradburd and Clinton F. Nieweg. Instrumentation: 2+1.2(2dEH).2.2: 4.2.3.1: Timp.Perc(4-5): Hp: Str(9-8-7-6-5 in set): (Mix Chor).