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 Singing Sensations Youth Choir In Concert - "Negro Spiritual Medley", Singing Sensations Youth Choir In Concert - "Holy Are You Lord", Singing Sensations Youth Choir In Concert - "I Am Sold Out" - SSYC Remix