Listen to Mil Harddach Wyt online. Mil Harddach Wyt is an Unknown language song and is sung by Lleuwen Steffan. Mil Harddach Wyt, from the album Rhosyn Rhwng Fy Nannedd, was released in the year 2010. The duration of the song is 5:36. Download Unknown songs online from JioSaavn.