Mario Morello is a teacher, researcher, ethnomusicologist and singer based in Montreal and Toronto. He studies the performance practices of various traditional vocal polyphonies, particularly from Italy, Ukraine, and Georgia. Currently, he engages in ethnographic research projects focused on the Salento region of Italy, collecting and analyzing materials in Salento since 2015. He has to several Toronto-based and Montreal-based ensembles in an eclectic variety of musical projects that focus on traditional polyphonic singing, including Ukrainian polyphony ensembles Kalendar and Mumurosi Choir, the Balkan troupe Meden Glas, Georgian ensembles Darbazi and Supra, the Ontario-based folk collective Kosa Kolektiv, and the Toronto-based musical activism initiative Sing with Ukraine. His current research interests include the study of repertoires of polyphonic song in Italy and their contemporary transformations, semiotics in polyphonic song, and the study of traditional polyphonic singing in diaspora communities.