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 Tres Gallines van al Camp - Yamaha ERG 121- Behringer Guitar link, LAG Arkane 200 Test sound by Miquelet, Fender Modern Player Telecaster Plus Test Sound by Miquelet