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 How to Play the Guitar Tremolo Classical & Flamenco Style, Guitar Lesson: ~Fur Elise~ FLAMENCO VERSION! P2., Guitar Lesson: ~The *Fingerstyle* Blues~ P2.