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 When You Wish Upon a Star, for guitar (My other video of it is better, I think.), Beautiful Dreamer, for guitar (slow practice)(See my other video of it.), "The Entertainer" for guitar (very slow practice)