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 Liquid Tension Experiment - Another Dimension | Accordion solo (Kurzweil PC3K | KORE 64), Sample Modeling The Trumpet + Altiverb + Todd-AO + John Williams