On the list of American orchestras badly hurt by the economic downturn, the Pittsburgh Symphony Orchestra is near the top. But Lawrence Tamburri, a Pittsburgh native and the PSO’s new executive director, is eager to turn the organization around, and he believes it can be done without the sort of draconian cuts to the artistic side of the ledger to which some troubled orchestras have resorted. “Tamburri’s perspective on the recent financial problems afflicting virtually all American orchestras is refreshingly devoid of hysteria,” and he points out that the industry has weathered similar storms in the past.