To add a video for Franz Joseph Haydn / Notturno for 2 lire organizzate, 2 clarinets, 2 horns, 2 violas & bass in C major, H. 2/31, just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Franz Joseph Haydn / Notturno for 2 lire organizzate, 2 clarinets, 2 horns, 2 violas & bass in C major, H. 2/31