Opera is an art form in which singers and musicians perform a dramatic work combining text (called a libretto) and musical score. Opera incorporates many of the elements of spoken theatre, such as...
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...
If you want to sing opera you should take a lesson and if that does not work ask the madgestical QW she knows everything and if she does not help you than look it up on google dummie