Opera is an oftentimes overlooked genre of music in the public's eye.
is an art form in which singers and musicians perform a dramatic work combining text (libretto) 
Mozart is known to have some of the best.
Opera incorporates many of the elements of spoken theatre, such as acting, scenery, and costumes,with dance styles
Yes it does. It is distinct from ballet, though.
In a way,is a type of performance dance that originated during the Italian Renaissance in the 15th century and later developed into a concert 
I didn't realize it developed in Italy, but that makes a lot of sense.
Its  taught in various schools around the world, which have historically incorporated their own cultures to evolve the art.