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 Super Smash Bros. Sheet Music - Character Select (N64) - Trumpet Trombone Tuba, The Legend of Zelda: Ocarina of Time Sheet Music - Lost Woods - Trumpet Trumpet Horn Tuba, Super Smash Bros. Sheet Music - Fountain of Dreams - Brass Quintet