Designed to resonate with the Disco exhibition (2025), this day will discuss disco as a musical style, a social movement and a cultural trend. In what way was disco a movement of celebration and liberation, born in clubs with influential DJs, but also in an American society rejecting its minorities and shaken by deindustrialisation? Was dancefloor democracy primarily a quest for individual pleasure? To what extent did its transgressive power survive globalisation, rejection and legitimisation?