The Glass Mountain's theme music is by an Italian composer, pianist, conductor, and academic who won an academy award for best original score for what film?
The Glass Mountain (film):  The theme music by Nino Rota is memorable, and was also a contemporary hit. Nino Rota: Giovanni "Nino" Rota (3 December 1911 – 10 April 1979) was an Italian composer, pianist, conductor and academic who is best known for his film scores, notably for the films of Federico Fellini and Luchino Visconti. Nino Rota:  He also composed the music for two of Franco Zeffirelli's Shakespeare films, and for the first two films of Francis Ford Coppola's "Godfather" trilogy, receiving the Academy Award for Best Original Score for "The Godfather Part II" (1974).
The Godfather Part II