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 eSpark Learning: Author's Point of View and Evidence Framing Video (6RI, Quest 6, FA13), Inflections and Affixes | Inflectional Endings | Kindergarten Language | eSpark Instructional Video