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 Orchestra - Twist & Shout - Brentwood 19 October 2008, From Romford to Billericay (Almost!) - A Road Movie, Beatles, Blues & Blue Violin - Rock 'n' Roll Is King - Kingston Barn, Friday 10 September 2010