There are more than four voices in Opera: there are seven in general.
You can read more about them in the Wikipedia listing, below, which describes the seven as:
"Women are typically divided into three groups: soprano, mezzo-soprano, and contralto. Men are usually divided into four groups: countertenor, tenor, baritone, and bass. "
The opera voices sing, and depending on the roles composed for them, may include soprano, alto, tenor, baritone or bass voices. Opera voices are human voice instruments that opera stars use to sing in operas.
They are called "opera glasses"
The lyrics of an opera are called the "libretto."
In almost every language it is called opera.
the sydney opera house is called the sydney opera house because opera is song in the building and because of its great views.
The opera voices sing, and depending on the roles composed for them, may include soprano, alto, tenor, baritone or bass voices. Opera voices are human voice instruments that opera stars use to sing in operas.
It is called an aria.
Aurora in Four Voices was created in 1998-12.
four voices
The male lead roles in operas typically called for high voices, and sometimes the castrato would play female leads as well
"The theater form known as opera uses music and singing to convey a dramatic story." "Opera singers may have extremely precise and powerful voices."
They are called "opera glasses"
The lyrics of an opera are called the "libretto."
In almost every language it is called opera.
regarding your question, no the Jonas brothers were not in opera. they couldn't be. they don't have that strong of voices, and that is what is needed to become an opera singer. And anyway, they were dicovered as a boy band singing group in a BARBERSHOP.
four voices
the sydney opera house is called the sydney opera house because opera is song in the building and because of its great views.