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 Chapel Choir Singing "Little Grey Donkey" on Palm Sunday, NPHS Concert Choir & Chorale - "The Arrow and the Song" by Elliot Z. Levine, txt by Longfellow