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 Dread Sovereign - Pray To The Devil In Man, The Devil's Blood - The Graveyard Shuffle, live @ Metal Forces Festival 2009, Arstidir Lifsins - Vindsvalarmal (taken from "Fragments. A Mythological Excavation")