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 Carlos Manuel Zabala - Arban Series - "America" (God Save The Queen) from "The Art of Phrasing", J. B. de Boismortier - Sonata Op. 40 no. 1 - Caitlin Hickey and Carlos Manuel Zabala