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 From Ancient Times - Jan Van der Roost - Paris Brassband, Variations on "Vita Aeterna" - Alexander Comitas - Paris Brassband, REM Scapes - Thomas Doss - ParisBrassBand