The Eureka Chamber Music Series concludes another successful concert season with a rare collaboration between musical artists and friends. Pianist and Van Cliburn Gold Medalist Jon Nakamatsu is joined by Amos Yang, assistant principal cellist with the San Francisco Symphony; violinist and founding member of the Castalian String Quartet Daniel Roberts; and violinist and violist Tom Stone, the ECMS artistic director and founding member of the Cypress String Quartet. Repertoire includes Haydn’s Piano Trio in F major, Beethoven’s String Trio No. 5 in C minor, Op. 9, No. 3, and Brahms’ Piano Quartet No. 1 in G minor.