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 Musica de Relajacion. Soothing and Peaceful Music., Relaxation Music for Babies. Lullaby with a River Sound. Cancion de Cuna para Dormir Bebes.