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 bGd | George Gershwin - Rhapsody in Blue (for Guitar Solo), Arr. Viktor Ilich (Guitar), bGd | Niccolo Paganini - Romance in A Minor from Grand Sonata for Guitar and Violin