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 Times Like These: Foo Fighters Bass Cover Playalong with ISOLATED BASS TRACK™, Everybody Wants You - Billy Squier Bass Cover Playalong with TAB, Black Coffee In Bed - Squeeze Bass Cover Playalong