Listen to Folk Songs for Mezzo-Soprano and 7 Instruments: I. Black Is the Colour (USA) online. Folk Songs for Mezzo-Soprano and 7 Instruments: I. Black Is the Colour (USA) is an English language song and is sung by Altinoglu Alain and Nora Gubisch. Folk Songs for Mezzo-Soprano and 7 Instruments: I. Black Is the Colour (USA), from the album Folk Songs, was released in the year 2016. The duration of the song is 3:18. Download English songs online from JioSaavn.