Listen to Goldberg-Variationen, BWV 988: Variation No. 12 online. Goldberg-Variationen, BWV 988: Variation No. 12 is an English language song and is sung by Michal Mašek. Goldberg-Variationen, BWV 988: Variation No. 12, from the album Essential Bach, was released in the year 2017. The duration of the song is 0:57. Download English songs online from JioSaavn.