J. N. Hummel Sonata for Viola and Piano, Op. 5, No. 3J. S. Bach Romance in F major, Op. 50; Prelude and Gigue from â€˜Cello Suite No. 3 (trans. for viola); and Sonata in G minor, BWV 1029M. Glinka excerpt from unfinished Sonata in D minorS. Rachmaninoff Preludes No.s 3 & 4 from Preludes, Op. 23 for pianoR. Schumann Adagio and Allegro, Op. 70Sergey Rakitchenkov and Arkady Serper are both graduates of the Moscow Tchaikovsky Conservatory who began their distinguished careers in the major concert halls of Europe and Russia before immigrating to the United States. Rakitchenkov is a long-standing member of the San Francisco Opera Orchestra, Serper a prominent pianist, composer, and faculty member at the Crowden School. Their performances are well known for a colorful, literate style, as well as an exacting technical precision.