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 WoW: Cataclysm Dungeons and Raid Previews + Icecrown Citadel and Icecrown Dungeons, Cataclysm Beta: New Water / Liquid Effects Detail