To add a video for Keith McGowan / Chorea Polonica No. 4 / Alia Hungarica Chorea No. 32 (after the Codex Vietorisz and John Playford), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Keith McGowan / Chorea Polonica No. 4 / Alia Hungarica Chorea No. 32 (after the Codex Vietorisz and John Playford)