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 10th century eye salve whose ingredients include cow bile and garlic has been found to kill up to 90% of the MRSA superbug.
British terror suspect pleads guilty in New York to charges of plotting a terrorist training camp in the US with extremist Abu Hamza.
Daily Dose, a short summary of the day's election campaign stories.