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 PFM - Canto di Natale - RaiUno - Patrick Djivas Plays a Biarnel Scorcio, Sicut Locutus Est - J. S. Bach - For brass quintet