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 Spring Reverb Demo - Flickinger Tone Boxes Spaghetti Western Part Two, Anderson Drop Top Atlantic Storm Electric Guitar 10-29-13A Demo, National ResoRocket Steel Cutaway Guitar - Quick n' Dirty