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 Salastina Music Society: Ferdinand the Bull with Seth Rogen, Brahms Trio in Eb Major, Op. 40 for Piano, Violin, and Horn, Matthew Morris - I think it's going to rain today - Randy Newman