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 [A Cappella] Luigi's Mansion - Eerie Conversations, [A Cappella] Ocarina of Time - Goron City, [A Cappella+] The Wind Waker - Beedle's Shop