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 Traveler Guitar Ultra-Light Nylon Guitar Overview and Demo, Traveler Guitar LTD EC-1 Electric Guitar Product Demonstration by Erock, Traveler Guitar Ultra-Light "Unplugged" Sound Demonstration