The Essential Richter, Volume 4: The Philosopher by Ludwig van Beethoven Tracks Piano Sonata No. 22 in F major, Op. 54: II. Allegretto Piano Sonata No. 31 in A-flat major, Op. 110: III. Adagio ma non troppo Piano Sonata No. 31 in A-flat major, Op. 110: I. Moderato cantabile molto espressivo