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 Jingle Bells and Santa Claus Is Coming To Town, Placido Domingo & Veronica Villarroel sing La Boheme duet, Placido Domingo & Hei-Kyung Hong in Faust duet 1