Final answer:
The soundtrack of Alexander Nevsky was refashioned by Prokofiev as a symphony for concert performances.
Step-by-step explanation:
The soundtrack of Alexander Nevsky was refashioned by Prokofiev as a(n) symphony for concert performances. Prokofiev composed the original score for the 1938 Soviet film 'Alexander Nevsky' directed by Sergei Eisenstein. However, he later arranged the music into a symphony that could be performed in concert halls.