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 How to Tune Your Music Maker or Melody Harp Zither, or Lap Harp, to G Major, "Auld Lang Syne" Played on a Music Maker / Melody Harp Zither or Lap Harp, Bella's Lullaby, from Twilight, Arranged and Performed by Debbie Center