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 Exotic Instruments Jam (Shakuhachi, Dizi, Zither, Bansuri etc) w/ You Rock Guitar, My sister's cat playing guitar, Student & Instructor Collab (from GMC guitar site)