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 Korpiklaani - Ievan Polkka (Harmonica Cover), Llamas With Hats Theme (Chromatic Harmonica Cover), Chiisana Tenohira (Clannad: After Story) - Chromatic Harmonica Cover