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 Winlock Middle School Choir performs "Sound of Music Medley", NWWS plays On the Trail from Grand Canyon Suite by Ferde Grofe, Centralia Community Band "The Great Steamboat Race" Robert W. Smith