MaJoC the Filk wrote: Curious: no mention here, nor on the TV news coverage afaict this side of the pond, of ONJ's stint as guest singer in residence on Cliff Richard's weekly TV show in the seventies

https://www.theguardian.com/film/2022/aug/08/olivia-newton-john-grease-xanadu-cult-classics-cherished-by-fans