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 FJH Music Company - "Waltz in C Minor, Op. 63, No. 1" by Myra Brooks-Turner, FJH Music Company - "Outplanet - The Final Battle" by Edwin McLean, FJH Music Company - "Sounds of Madrid" by Derek Vann