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 Kilian's Quest S3 E05 - Mount Olympus (Όλυμπος) Part 3, Fast and Light - Salomon Running TV S04 E08, Great Wall Marathon 2013 - CHINA