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 Grand Belial's Key - The 7th Enochian Key - Live 9/27/1993, Infernal Majesty "None Shall Defy" live with Corpsegrinder on vox, Grand Belial's Key - Shemhamforash - Live 9/27/1993