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 Coro ars nova - Vidala del Nombrador Ars Nova en Estocolmo 2009, Iguazú en Concierto 2015 - WATERSHED AND WINAD MARIMBA BAND