i produce the music so i want to get singer

hello
I want to produce music with my brother.
i am young 18 years old. after than i produce music, i want to get famous.
so i need to help when my music get finish. it means that i want send my music to the studios until they give me the agreement to i get singer. (when they (studio) like my voice and my brother voice too.
It should be noted: we are two person and we made the music alone whitout other helping., so you should know the music and sing for two person is very hard but we do!
thank you