Hi,
Please add only one artist in the "Artist" field, all the extra ones should go to the "Featuring artist" field. I've edited this one for you. :)
Also, I try to put specifically the Bulgarian Folk in one page, no matter which version is in the video, as these are traditional songs and makes their finding easier, adding whoever sings as a featuring artist :)
http://tekstove.info/browse.php?id=8190