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 On the train Pyongyang - Beijing: North Korean music student singing the song "Wild Rose" (찔레꽃), Wien Westbf - Lhasa by train: 11010 km in 9 days, 13 hours and 33 minutes, Station music at Chop, September 2006