piano sonatas nos 1-3 & 6-8 piano sonatas nos.16 & 17 piano sonatas nos.19 & 21 piano sonatas nos.15, 21 & 26 piano sonatas nos.30,31 & 32 piano sonatas nos.7, 9 & 13 piano sonatas nos.8,11 & 12 piano sonatas nos.2 & 3 piano sonatas nos. 7, 15, 17 & 18 piano sonatas opp. 54 & 78