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 GarageBand Apple IPhone 3 - violin and cello theme - "One Second Short" (HD), Easy Beats 2 IPhone - Oriental Style Melody Chime / Xylophone / Music Box Sound, "Tightrope", remixed with Classic Studio Drum Kit - Garageband Apple Iphone