Listen to The Mikado, Act 1 No. 9: Were You Not to Ko-Ko Plighted online. The Mikado, Act 1 No. 9: Were You Not to Ko-Ko Plighted is an English language song and is sung by Isidore Godfrey, Leonard Osborn and Margaret Mitchell. The Mikado, Act 1 No. 9: Were You Not to Ko-Ko Plighted, from the album The Mikado, was released in the year 2017. The duration of the song is 2:32. Download English songs online from JioSaavn.