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 Sunset with a Siberian Mouth Harp | Neptune Chapotin, Neptune Chapotin - Mouth Harp Trance Live in Goa 2012, Neptune playing Morsing at the 6th International Jew's Harp Festival 2010