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 Luc Arbogast & Netherlands Wind Ensemble - Cancion Sefaradi (traditional), Luc Arbogast & Netherlands Wind Ensemble - Stella Splendens, Tokyo Ska Paradise Orchestra - Heaven's door