Your two best options are:
ensures that the 12 notes are given equal important.
and:
is characterized by the works of Arnold Schoenberg.
the twelve-tone technique was made by Arnold Schoenberg and is also called "serialism" and "dodecaphony." It's a method that rejects keys.
The largest country in south America is Brazil
An Incan citade in the Andes mountains in Peru. (Above the Urubamba River Valley) The original use of it is not known, but we do know it was built in the 15th century.
He is a good/ kind. boy. He is often kind and helpful to every classmate.
:)