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 Dusk - Music for Mind Body and Spirit, Wake up with a wheelwale - Music and Nature Sounds for Relaxation, I think I love you - The Partridge Family by The Top of the Pops Vol. 94