Bartók: 7 Pieces for 2 Pianos from Mikrokosmos, Sz. 108: No. 3, Perpetuum mobile. Allegro molto

Bartók: Sonata for Two Pianos and Percussion & Pieces from Mikrokosmos, 51 secs

• Bartók: 7 Pieces for 2 Pianos from Mikrokosmos, Sz. 108: No. 3, Perpetuum mobile. Allegro molto