. . . . . "choir and orchestra performance" . . "2006-03-14T20:00:00"^^ . . . . "Carnegie Hall National High School Choral Festival" . "WORLD PREMIERE of Mack Wilberg's INTROIT (Carnegie Hall commission)\r\nWORLD PREMIERE of Wilberg's EPILOGUE (Carnegie Hall commission)" . . . . . "student performance" . . . . "multiple performances" . . .