RIP Donna Summer, Queen of Discos. "I Feel Love" wasn't the first song of hers I loved but it was the one that had most impact: it is taken from her 1977 concept album I Remember Yesterday and it was the "future" segment of the album.
According to David Bowie "its impact on the genre's direction was recognized early on: 'One day in Berlin ...Eno came running in and said, 'I have heard the sound of the future.' ... he puts on 'I Feel Love', by Donna Summer ... He said, 'This is it, look no further. This single is going to change the sound of club music for the next fifteen years.' Which was more or less right." [Wiki]