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 Tranquility : Time-Vortex : Music United With Nature : Part 2 of 2, Beethoven: The Tempest Sonata No. 17 in D Minor - Complete | Tzvi Erez