To add a video for Franciszek Lessel / Sextet for 2 clarinets, 2 bassoons, 2 horns & double bass No. 1 in E flat major, just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Franciszek Lessel / Sextet for 2 clarinets, 2 bassoons, 2 horns & double bass No. 1 in E flat major