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 Zither, Jazz-Exercise Nr.1, Zither - Sentimental Journey und die weltweit einzige Zitherkoffer Modellbahn, Sigrid & Marina mit "Werst mei Liacht ume sein" - Steffen Hempel an der Zither