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 Happy Background Instrumental 'Happy, Upbeat Jingle' (Royalty Free Music 2021), 'Happy Marimba' Royalty-Free Background Music - ROYALTY FREE! (for Adverts, Videos, Kids)