Xanadu (musikal, 1980, Olivia Newton John)

Olivia Newton-John plays the goddess of dance in this rock/pop musical, based on the 1947 film 'Down To Earth'. She is sent down from the heavens by Zeus to inspire a frustrated young artist and a nightclub owner to realise their dreams in the form of a rollerdisco. The real-life god of dance Gene Kelly makes an appearance.