Mr. Ziporyn , today at 4:30 p.m. ; children 's concert , tomorrow at 11 a.m. ; '' Music for Airports , '' tomorrow night at 8 ; recitals Monday through Thursday at 1:30 and 4:30 p.m. ; Massachusetts Museum of Contemporary Art , 87 Marshall Street , North Adams , Mass . , ( 413 ) 662-2111 . ''