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 Pin-Barrel Harp with Chris Wood singing Mad John, Pin-Barrel Harp with Chris Wood 'The Long & Winding Road', Pin-Barrel Harp with Trevor Garrard, The Musical Box (Genesis)