Grammy award-winning violinist Joshua Bell discusses what it feels like to play a Guarneri del Gesù violin once owned by composer Henri Vieuxtemps Link to this videoIn the rarified world of old violins, the Stradivarius is commonly thought of as the very best. But for many connoisseurs and concert performers, the pinnacle is the work of a craftsman from Cremona in Italy known as Guarneri del Gesù.