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 Nate Cooper plays a Blackbird Super OM carbon fiber guitar, Blackbird Rider Nylon-string carbon fiber travel guitar; Uli Dumschat plays Flamenco, Blackbird Rider Nylon-string flamenco by Dan Young