To add a video for Julius da Modena (aka Julio Segni) / Tiento in the sixth tone (from Musica Nova) (Libro de Cifra Nueva 52, attr. Cabezón), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Julius da Modena (aka Julio Segni) / Tiento in the sixth tone (from Musica Nova) (Libro de Cifra Nueva 52, attr. Cabezón)