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 Sanctus - O, Tannenbaum | Cafesjian Classical Music Series: Christmas Classics, Lilit Mardiyan - "Tarantella" (Mario Castelnuovo-Tedesco) | Cafesjian Classical Music Series, Cafesjian Classical Music Series: Holy Easter, the Choir of St. Mesrop Mashtots Church in Oshakan