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 Puff The Magic Dragon - Toy Accordion & Ukelele, Sailors Hornpipe - Virtual Duet, Irish Lilt 'Mazurka' - Mezon Diatonic Button Accordion