Listen to Polkas - The Royal Scots Polka / The Black Watch Polka online. Polkas - The Royal Scots Polka / The Black Watch Polka is an English language song and is sung by City Of Glasgow Police Pipe Band. Polkas - The Royal Scots Polka / The Black Watch Polka, from the album Pipes & Drums Of Scotland - Vol. 1, was released in the year 2009. The duration of the song is 2:56. Download English songs online from JioSaavn.