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 ABRSM Grade 3 2011 Flute "Andante alla Siciliana" A:2, ABRSM Grade 3 2011 Flute "Hurdy Gurdy" B:3, ABRSM Grade 5 Flute Exercise in G