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 Claude Denjean - Duck You Sucker - Moog Phase 4 Stereo, Thomas the Tank Engine - Wood Trains Friends Creative Vado HD, Sounds Orchestral - Moonshot - Marble Arch - Easy Listening