To add a video for René Wohlhauser / Trio for flute, clarinet & cello No. 1, Ergon 57, Music Work No. 1772, just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for René Wohlhauser / Trio for flute, clarinet & cello No. 1, Ergon 57, Music Work No. 1772