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 Flute Toot-orial: Etude No. 5 (Gariboldi, Giuseppe 1833-1905), Flute Toot-orial: Etude in F Major (Köhler, Ernesto 1849-1907), Flute Toot-orial: No. 1 (Allegro) from Solos for the Flute Player (Loeillet, J B 1680-1730) 1/2