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 Michna Vánoční rosička, G. F. Handel - Flute Suite in G - Water Music III HWV 350, Good King Wenceslas Trad. arranged by David Burndrett