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 Selections from The Music Man - St. John's Wind Orchestra, Jingle Bells Hoedown - Lincoln High School Orchestra, Grieg: Piano Concerto in A minor - Frank Wiens & St. John's Chamber Orchestra