For 10 points, this is what Italian composer whose Roman Triptych includes the aforementioned Roman Festivals and Pines of Rome?
Lesser-known operas by this composer include La campana sommersa and the Gregorian-tinged Maria egiziaca, but he is better known for a ballet about the romance between two dolls in a toyshop based on the music of Rossini, La Boutique Fantasque and three suites based primarily on Renaissance lute music, Ancient Airs and Dances. One movement in his most famous set of pieces includes a depiction of Christian martyrs singing plainchant and the growling lions sets to devour them, Circuses, while another movement from a different part of the same set opens with swirling passages on the campanella, celesta, and piano portraying the title sights of the Villa Borghese. For 10 points, this is what Italian composer whose Roman Triptych includes the aforementioned Roman Festivals and Pines of Rome?
Lesser-known operas by this composer include La campana sommersa and the Gregorian-tinged Maria egiziaca, but he is better known for a ballet about the romance between two dolls in a toyshop based on the music of Rossini, La Boutique Fantasque and three suites based primarily on Renaissance lute music, Ancient Airs and Dances.
Ottorino {Respighi}