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 Soundscape 08 tutorial (ambient guitar drone Godin Multiac ACS Nylon Steel SA VG-88 GR-33 RC-50).mp4, Ambient Session #3: Guitar, Violin, Accordion, Soundscape #05 (ambient vocal and synth, drone, boss rc-50).mp4