Producer Giorgio Moroder and Summer created the hit I Feel Love in 1977.
DJ Dave Pearce called it "a timeless classic" which became "the blueprint for house music and electronic dance music"
Video courtesy of Vevo.
More top news
A mother who told her son she was going to the supermarket - before flying to Australia - has been given a six-month suspended sentence.
The three-point turn and reverse around a corner could be out - but parallel parks are still in - under plans to overhaul driving tests.
The teaser trailer for Star Wars VII: The Force Awakens has premiered online and in US cinemas.