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 Zenda Waltz - Fiddle Tune a Day - Day 292, Redeemed - Fiddle Tune a Day - Day 363, White Rose Waltz - Fiddle Tune a Day - Day 308