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 ill.bell - けつばん (missing number), ill.bell - Zenzenzense (前前前世にRADWIMPSを32曲詰め込んだカバー), ruru.bell - happy synthesizer (1chorus)