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 MixstarMusic - FREE Sound Kit (HQ Drums and Soundfonts For FL Studio 10 And Other DAW's), Grind On! Prod. By Mixstar - FL 10 (FLP and MP3 Included)!, Jingle Bells (REMIX!)