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 JR Giddens off the glass tomahawk dunk (4.3.08), Michael Jordan Breakaway Slam vs. Magic (05.18.1995), Lebron James Two-handed windmill slam (4.27.08)