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 Ravel - Pavane pour une infante défunte, Busoni - Albumblatt for violin and piano, Schumann - Kinderszenen Op.15: 1/2 - Nuccio Trotta