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 Progressive Metal Top 10 Riffs, Cacophony Top 20 Solos Part 1 - Jason Becker Marty Friedman, 500 Thrash Metal Riffs Part 16