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 Baroque Harpsichord - Music by François Couperin - Healing Music -432 Hz., J. S. Bach - Concert for Oboe, Violin and Orchestra - Live - Healing Music - 432 Hz.