← Barenboim: The Complete Beethoven Piano Sonatas at Pierre Boulez Saal, Berlin · Season 1Beethoven Piano Sonata No. 12 in A-flat major Op. 26S1 · E12 · 13 Jan 2021No imageBeethoven Piano Sonata No. 12 in A-flat major Op. 26← 11. Beethoven Piano Sonata No. 11 in B-flat major Op. 2213. Beethoven Piano Sonata No. 13 in E-flat major Op. 27/1 →