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 Paul Godwin's Jazz-Symphoniker - Hallo, Margot! 1929, Adam ASTON & Henryk Wars Orch. - W zacisznym gabinecie, 1933, Old Klezmer dance music - Romanian Orchestra, 1912