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 Peavey Grind 5-String Bass Guitar (quick demo), Pedulla MVP 5-string Tenor bass guitar w/ Boomerang III phrase sampler - bass solo (practice), 1989 Warwick Thumb NT 5-string bass guitar w/ Boomerang III phrase sampler - bass solo (practice)