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 1 Hour Deep Sleeping Music: Delta Waves, Relaxing Music Sleep, Insomnia Music, Meditation, Sad Beautiful Instrumental Music - Piano,Violin (HD Video 1080p), Oxygene - The Ocean (Landscapes and Oceans Waves) Chillout Music