The Baltimore Symphony has had a bumpy ride in the past year, hiring a new music director and seeing its management leaders depart. “The orchestra has been further roiled by continuing budget deficits and sparse attendance at many concerts – problems that have led similar orchestras to fold in recent years. Now, though, with a former corporate executive shepherding the orchestra and a beefed-up role for musicians in major decisions, the BSO says it’s in the midst of a crescendo.”