Officials with Freestyle Music Park said Tuesday that attendance has been growing since the park reopened a month ago under a new name, but some industry observers say the park still faces considerable challenges. John Stine, sales and marketing director for the park, said he is pleased so far with the attendance figures, though he did not give specifics. He said attendance was not lower than last year, when the park operated as Hard Rock Park, but declined to say anything further. "Considering the fact that we announced our name in the second week of April, and literally five weeks...