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 Dance Mash-Up 2k14- The Bostonians of Boston College, "Queen" Acappella- The Bostonians of Boston College, If You Could Only See A Cappella - The Bostonians of Boston College