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 Brahms - Violin Sonata No. 3 in D minor, Op. 108, I Mov - Kavakos & Wang, Central Park in The Dark (A short film dedicated to Charles Ives)