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 CH - BERN (BE) Münster St.Vinzenz 1/3, CH - EINSIEDELN (SZ) Klosterkirche Unserer Lieben Frau im finsteren Wald 1/2, CH - LITTAU (LU) Kath. Pfarrkirche St. Theodul