It’s music to the ears of many. The Dallas Symphony and its musicians announced a new two-year contract for the orchestra even as the economy continues to strike sour notes. “It says we in Dallas are really lucky that they put it together,” says professor Mike Davis of SMU’s Cox School of Business, who adds, “All arts organizations are suffering, and we’ve seen symphonies shut down or go on strike; they’re on strike now in Louisville, they settled a long strike in Detroit a few months ago. “