video 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 Frederick Delius - String Quartet【Complete】(ディーリアス 弦楽四重奏曲 全楽章);Plage Quartet(プラージュカルテット)