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 Trumpet Solo ~ My Heart Will Go On, theme from Titanic, Trumpet Solo - Way Back Into Love (Theme from "Music an Lyrics"), Marching Onward - Wan Chai Crop Timberels