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 Art Perko Orchestra - Do you Believe in Dreams & Slap Happy Polka, "Knock Your Socks Off Polka" Markic - Zagger Orchestra, Remembering the Late Bruce Burger