Giorgio Moroder started Electro Dance Music with Donna Summer's "I Feel Love" in 1977 and the rest followed. Playlist: https://docs.google.com/presentation/d/e/2PACX-1vRAtcEVRj_RT5uvEejlSDiCmpUmFAaIZMEImnB3aAgMei-UTkvkAYs6-18SXi6eR8lRBc73Xg09qC3_/pub?start=false&loop=false&delayms=5000#slide=id.g8463a4e1cf_0_11