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 Wav File Music - B3 Sound using Micro Korg and Boss GT-6, Wav File Music - Moog sound with Micro Korg and GT-6, Wav File Music - Crazy Bass Sound