To add a video for Carl Tausig / Scherzo, for piano (after Beethovens Allegro appasionato from String Quartet Op. 59/2), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Carl Tausig / Scherzo, for piano (after Beethovens Allegro appasionato from String Quartet Op. 59/2)