The Philadelphia Museum of Art's new sculpture-garden-atop-a-parking-garage opens to the public tomorrow. Five works of Noguchi have been installed in the space, which will host a rotating list of sculptures...Tony Danza will take a break from grading papers to host the Philadelphia Orchestra's "Fallen Heroes" concert Sept. 20 at the Mann Center...Concert-only tickets are available at $200 a pop to hear Sting (pictured), who headlines the Academy of Music's Anniversary Concert Jan. 30. The seats are in the nose-bleed amphitheater section, so bring your opera glasses...The Black Pearl Chamber Orchestra makes it debut Saturday night at the Kimmel Center. The local ensemble, led by Jeri Lynne Johnson, bills itself as the "first multi-ethnic professional orchestra in Philadelphia." Beethoven 5 is on the program...Astral Artists has engaged Philadelphia bass Julian Rodescu as its first artistic director. He will continue to program the group's Philadelphia concert series, and will work with Astral's roster of young musicians on developing career goals.