Study Op. 45, No. 3 Wohlfahrt, Franz Viola solo
Study Op. 45, No. 50 Wohlfahrt, Franz Viola solo
Study Op. 45, No. 51 Wohlfahrt, Franz Viola solo
Study Op. 45, No. 6 Wohlfahrt, Franz Viola solo
Study Op. 45, No. 7 Wohlfahrt, Franz Viola solo