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 Guitar Shared #17 - Pablo Bonucci - Arpeggio, Sweep, Chromaticism, Guitar Shared #1 - Chris Brasil - Arpeggio, Tapping, Harmonic, Guitar Shared #4 - Chris Brasil - Tapping