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 Songbird, Beholder, Stellar Wind Collide in 2016 Breeders' Cup Distaff, Los Alamitos Derby Inside Track featuring Shared Belief, Inside The Mind Of A Horseplayer - John Doyle