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 Sheep May Safely Graze - Harp Katrina (Los Angeles), Anniversary Song - Violin (Katrina) Accordion (Vladimir), Silent Night, Deck the Halls, It Came Upon A Midnight Clear - Harp Katrina (Los Angeles)