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 A.Vivaldi-Sogna Prina-"Ho il cor gia lacero" from opera "Griselda", Joshua Bell & Sam Haywood -Moscow 06.04.11-I.Brams-Sonata N2 La Major for violin & piano 1part