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 Georg Philipp Telemann - violin sonata g moll TWV 41 g3, Marc-Antoine Charpentier - Messe de Minuit pour Noel, Vivaldi concerto RV 107 for flute, oboe, violin and basso continuo