Was a famous opera scene written for the glass armonica?
Donizetti originally wrote the mad scene in "Lucia di Lammermoor" for the glass armonica.
Was "Aida" written for the Suez Canal opening?
A popular myth says Verdi's opera "Aida" was written for the opening of the Suez Canal.
Did Vikings wear horned helmets?
Vikings didn't wear horned helmets. The idea comes largely from 19th-century opera costumes.