Listen to Gilbert & Sullivan- The Mikado - As Someday It May Happen online. Gilbert & Sullivan- The Mikado - As Someday It May Happen is an English language song and is sung by Arthur Seymour Sullivan. Gilbert & Sullivan- The Mikado - As Someday It May Happen, from the album The Best of Gilbert & Sullivan, was released in the year 2020. The duration of the song is 2:24. Download English songs online from JioSaavn.