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 The Hobbit - violin cover by Red Violin - Красная скрипка, Александр Рассказов, ievan polkka (ЯК ЦУП ЦОП) meet violin.