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 Rock/Metal and Classical Music: Blind Guardian - By The Gates Of Moria, Rock/Metal and Classical Music: New Trolls Atomic System - Una Notte Sul Monte Calvo, Rock/Metal and Classical Music: Yngwie Malmsteen - Icarus' Dream Suite Opus 4