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 Christmas Sheet Music, Carols and Songs - Jingle Bells, Silent Night and more, Canon in D (in Eb) flute and clarinet sheet music by Pachelbel - Video Score, Johann Sebastian Bach's Sheep May Safely Graze Sheet Music for Violin and Piano - Video Score