It’s been a very long two months for the striking musicians of the St. Louis Symphony Orchestra, but with a tentative agreement awaiting their official approval, most of the players are relieved and cautiously optimistic about the ensemble’s future. Still, some veteran members say that this strike was different from past work stoppages in St. Louis, and are worried that the damage done to the orchestra’s reputation and to the relationship between musicians and management will not be easily repaired.