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 ZX Spectrum 128k: Tubular Bells, Part Two (The Sailor's Hornpipe), Pop Corn Orchestra - Blackbird (1972), ZX Spectrum 128k: Tubular Bells, part 2 (Excerpt)