Listen to Concerto for Four Keyboards in A Minor, BWV 1065: I. Allegro online. Concerto for Four Keyboards in A Minor, BWV 1065: I. Allegro is an Instrumental language song and is sung by Tatiana Nikolayeva, Mikhail Petukhov, Marina Yevseyeva, Sergei Senkov, Saulius Sondeckis and Lithuanian Chamber Orchestra. Concerto for Four Keyboards in A Minor, BWV 1065: I. Allegro, from the album Bach: Twelve Keyboard Concertos (Live), was released in the year 1976. The duration of the song is 3:55. Download Instrumental songs online from JioSaavn.