Cilla Black became best known for hosting the ITV dating show Blind Date. But she had started as a singer and in the 1970s had a regular BBC Saturday evening 'light entertainment' show (i.e unwatchable if you were under 50).
Marc Bolan, leader of T Rex, was the star of Glam Rock, and in 1973 at the height of his fame. Marc was not really light entertainment (if a bit 'lite' on lyrics sometimes). Life's a Gas was a Bolan song from a couple of years earlier.
They were not a pairing you would expect. But this is probably better than the original.
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