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 Little Cabin Home on a Hill - Rambling Rooks, Salt Creek - Grasstowne + Giri Peters at IBMA 2015, Highway of Sorrow - The Grascals IBMA 2015