0:00/??? Beethoven Sonata, Op. 106 ("Hammerklavier") 4. Largo- Allegro risoluto From the recording Triumph! Beethoven's Sonata Op. 106 (mp3) $0.99 In cart Not available Out of stock Share The piano improvises before the fugue subject arrives. And what a huge fugue it is! WHat a craftsman this guy was!