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 The bulgarian voices - Tri zvanca - Vokalno trio Evridika ot NBU (Vocal trio Eurydice of NBU) LIVE, The bulgarian voices - Tragnala e malka moma - Vokalno trio na NBU (Vocal trio of NBU) LIVE