After almost half a century of playing together (Peter Wiley succeeded founding Cellist David Soyer in 2001) the Guarneri String Quartet is retiring at the end of this season. Founding members Arnold Steinhardt, first violin; John Dalley, second violin; and Michael Tree, viola, have been with the quartet the entire time. Program Bartók/String Quartet No. 3 Mozart/String Quartet No. 15 in D minor, K. 421 Dvorák/String Quartet No. 12 in F, Op. 96 "The American"