 Richard Tognetti performs on a 1743 Guarneri del Gesù violin, on loan from an anonymous benefactor.Principal Cello Timo-Veikko Valve performs on a 1729 Giuseppe Guarneri Filius Andreae cello, on loan from Peter Weiss.Principal Second Violin Helena Rathbone plays a 1759 J.B. Guadagnini violin on loan from the Commonwealth Bank Group.