Complex sentence: The second movement bore the heading "St. Anthony Chorale"; and while current usage still prefers the original title, "Variations on the St. Anthony Chorale" is the name favored by those who object to perpetuating a misattribution.
Split into simpler sentences: The second movement bore the heading St. Anthony Chorale. While current usage still prefers the original title, "Variations on the St. Anthony Chorale" is the name favored by those who object to perpetuating a misattribution.