Complex sentence: Also in the film, "Sybil Gordon" is depicted as singing Yum-Yum in "The Mikado"; this was not a role that either Gordon or Evers sang with the D'Oyly Carte, Stone, David.
Split into simpler sentences: Also in the film, "Sybil Gordon" is depicted as singing Yum-Yum in "The Mikado". This was not a role that either Gordon or Evers sang with the D'Oyly Carte, Stone, David.