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 Howl's Moving Castle : Merry Go Round of Life on accordion, [Touhou SA] Lullaby of Deserted Hell [Accordion] (Older version), [Soul Eater] PAPERMOON (Opening 2) [Accordion]