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 Euskadiko Orkestra Sinfonikoa - Sounds of the Basque Country / Jesús Guridi: Ten Basque Melodies, Peter-Lukas & Aglaia Graf - J.S. Bach (1685-1750): Six Flute Sonatas / Sonata in B Minor, BWV 1030, Branimir Slokar - Concertos for Trombone & Orchestra / Ernst Bloch: Maestoso