sentences:  Many of his compositions are for children.His only opera, "Rockets' Red Blare", to a libretto he wrote himself, premiered in 1971 in a student performance at Harvard University's Loeb Drama Center.On October 1 and 2, 2011, a completely rewritten score to "Rocket's Red Blare" received its professional premiere by Intermezzo, The New England Chamber Opera Series at the Agassiz Theater in Radcliffe Yard, Cambridge, MA.