To add a video for Carl Czerny / Introduction et Variations Brillantes on the Marche from Pacinis Gli Arabi nelle Gallie, Op. 234, just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Carl Czerny / Introduction et Variations Brillantes on the Marche from Pacinis Gli Arabi nelle Gallie, Op. 234