Complex sentence: However, Chaliapin was unwilling to sing Dosifei to any other but Rimsky-Korskaov's orchestration, so the Parisians have heard some hybrid version which appeared unsuccessful, and so this orchestration was forgotten.
Split into simpler sentences: However, Chaliapin was unwilling to sing Dosifei to any orchestration other than Rimsky-Korsakov's. So the Parisians heard some hybrid version which appeared unsuccessful, and this orchestration was forgotten.