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 [fancam] 121130 Seonggyu - singing along cutely @ Yoo In Na's Turn Up The Volume Radio, [fancam] 100508 Teen Top - Heartbeat (pre-debut) @ Lotte World