Listen to J.S. Bach: Goldberg Variations, BWV 988: Var. 30 Quodlibet a 1 Clav. online. J.S. Bach: Goldberg Variations, BWV 988: Var. 30 Quodlibet a 1 Clav. is an Unknown language song and is sung by Julian Rachlin, Nobuko Imai and Mischa Maisky. J.S. Bach: Goldberg Variations, BWV 988: Var. 30 Quodlibet a 1 Clav., from the album Bach: Music for Focus, was released in the year 2021. The duration of the song is 1:53. Download Unknown songs online from JioSaavn.