Listen to Goldberg Variations, BWV 988: 5. Variation 4 (recorded live at the Moscow Conservatory) online. Goldberg Variations, BWV 988: 5. Variation 4 (recorded live at the Moscow Conservatory) is an English language song and is sung by Vladimir Feltsman. Goldberg Variations, BWV 988: 5. Variation 4 (recorded live at the Moscow Conservatory), from the album Bach: Goldberg Variations, BWV 988, was released in the year 1992. The duration of the song is 0:59. Download English songs online from JioSaavn.