To add a video for Ernesto Cavallini / Capriccio for clarinet No. 28 in G major, Op. 1/2, just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Ernesto Cavallini / Capriccio for clarinet No. 28 in G major, Op. 1/2