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 Nikita Koshkin. "Oratorium Lacrimae" for flute and guitar - VI movement (final) "Gloria", N.Koshkin Guitar Quintet - I movement. Allegro moderato, Nikita Koshkin - Romance for guitar and orchestra