Sonata for 2 Pianos and Percussion, Sz. 110: I. Assai lento - Allegro molto song by Alfons Kontarsky, Aloys Kontarsky, Christoph Caskel & Heinz Koenig

Sonata for 2 Pianos and Percussion, Sz. 110: I. Assai lento - Allegro molto

Bartók: Sonata for 2 Pianos and Percussion - Stravinsky: Concerto & Sonata for 2 Pianos Alfons Kontarsky, Aloys Kontarsky, Christoph Caskel, Heinz Koenig January 1, 2007