Listen to J.S. Bach: Variations Goldberg BWV 988 - Variation 20 online. J.S. Bach: Variations Goldberg BWV 988 - Variation 20 is an English language song and is sung by Claudio Arrau. J.S. Bach: Variations Goldberg BWV 988 - Variation 20, from the album Discover Bach, was released in the year 2021. The duration of the song is 1:59. Download English songs online from JioSaavn.