Sonata in A flat major op.110. Part III - Adagio ma non tropo and part IV - Fugue (atttacca)
Beethoven L. - Sonata in A flat major op.110. Part IIII Adagio and V Fuguea - attacca. Z. Krauze - grand piano. Recorded by Jan Szmańda in the Sound Department of the Documentary Film Studios.