Question: What 1974 television special was a prequel to a 1978 television animated special, in which the 1978 special used the vocal talents of one of the members of "The Blues Brothers"
Sentence (from "Witch's Night Out"): It featured the voices of Fiona Reid as Nicely and Catherine O'Hara as Malicious, with Gilda Radner as the titular witch.
Relevant evidence: Yes