To add a video for Joseph Leopold Eybler / La Follia di Spagna (after Corellis Violin Sonata, Op. 5/12 La Follia), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Joseph Leopold Eybler / La Follia di Spagna (after Corellis Violin Sonata, Op. 5/12 La Follia)