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 North - Coastal Sound Youth Choir: Indiekör 2016 (Sleeping at Last cover), Kaleidoscope Heart - Coastal Sound Youth Choir: Indiekor 2014 (Sara Bareilles cover), Oblivion - Coastal Sound Youth Choir: I 2016 (Grimes cover)