On Tuesday July 7th, 2021, the team of project ArsNova will hold a session at the 49th Medieval and Renaissance International Music Conference (MedRen), organised and hosted by the CESEM–Centre for the Study of the Sociology and Aesthetics of Music at Universidade NOVA de Lisboa, FCSH–School of Social Sciences and Humanities. The panel, entitled “European Ars Nova: New sources and updates”, will include the following presentations: