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 Trio movement for violin, viola and piano, composed by Alma Deutscher, 2014, Andante for Violin by Alma Deutscher (6). 2011, 2nd movement from Violin concerto by Alma Deutscher (9): Romanza