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 Sadness Piano Song - "Loreley" Music by Vadim Kiselev, Vadim Kiselev - Rain Prelude. Live in London by E33 Dance Company., Sadness Piano Song - "The Autumn Falls - November" Music by Vadim Kiselev