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 Walrus Audio Plainsman demo by Lance Seymour, Empress REVERB demo by Lance Seymour - Gear Talk, Keeley Electronics Caverns Delay/Reverb demo by Lance Seymour