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 The Pigsty Hill Light Orchestra - Second Fiddle (1970), Lukas Ligeti & The Amadinda Percussion Group - Pattern Transformation (2004), Danças Ocultas - Fábula (2009)