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 Gus Drax - Advanced Technique Lessons #3 (Arpeggios, Legato, Tapping, String Skipping), Gus Drax - Advanced Technique Lessons #7 (Multi Finger Tapping)