videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Guitar quartet Babáčková, Balabánová, Mijanovic and Poláčková play Gioachino Rossini: Ouverture, Petra Poláčková plays Luigi Legnani: Capricci op. 20 nn. 24, 31, 7, 36, Anna Bauer and Irina Vaterl plays Eugène Bozza: Trois Pièces für Flöte und Gitarre