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 Σε υμνούμεν Πρίγγου, Byzantine Music Choir Ergastiri Psaltikis, Όσοι εις Χριστόν, Byzantine Music Choir Ergastiri Psaltikis, Μή αποστρέψεις, Moscow Conservatory, Byzantine Music Choir Ergastiri Psaltikis