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 Extraterrestrial Mood Music - A pleasant welcome to peaceful and friendly aliens in the Universe, Jamming Over the Internet - Hal Keyboard and Armond Guitar Collaboration, Original Melody "Night Before Christmas Holiday Song" by Joyce and Hal Sokolow (Korg Kronos)