1.Fourty-four duos for 2 violins, Sz. 98, BB 104: Volume 1: I / II / III / IV3:30 2.Fourty-four duos for 2 violins, Sz. 98, BB 104: Volume 1: V / VI / VII / VIII / IX4:44 3.Fourty-four duos for 2 violins, Sz. 98, BB 104: Volume 1: X / XI / XII / XIII / XIV5:52 4.Fourty-four duos for 2 violins, Sz. 98, BB 104: Volume 2: XV / XVI / XVII / XVIII3:40 5.Fourty-four duos for 2 violins, Sz. 98, BB 104: Volume 2: XIX / XX / XXI / XXII / XXIII / XXIV / XXV8:45 6.Fourty-four duos for 2 violins, Sz. 98, BB 104: Volume 3: XXVI / XXVII / XXVIII / XXIX / XXX / XXX5:59 7.Fourty-four duos for 2 violins, Sz. 98, BB 104: Volume 3: XXXII / XXXIII / XXXIV / XXXV / XXXVI6:31 8.Fourty-four duos for 2 violins, Sz. 98, BB 104: Volume 4: XXXVII / XXXVIII / XXXIX / XL5:07 9.Fourty-four duos for 2 violins, Sz. 98, BB 104: Volume 4: XLI / XLII / XLIII / XLIV5:13 10.Sonata for 2 pianos & 2 percussion, Sz. 110, BB 15: I. Assai lento - allegro molto12:36 11.Sonata for 2 pianos & 2 percussion, Sz. 110, BB 15: II. Lento ma non troppo6:16 12.Sonata for 2 pianos & 2 percussion, Sz. 110, BB 15: III. Allegro non troppo6:15 
