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 Triumphant Quartet - When The Trumpet Sounds, Floyd Cramer - Sounds of Sunday, Easy Listening Music of the 60's & 70's - Frank Chacksfield Orchestra - Vol. 4