"MUSIC AS LITERATURE"

Can we consider music to be literature? What is the difference between a novel, a poem, a rap, a song, an opera, and a symphony? 

Yes we could consider music to be literature. 

The difference between a novel and music are that novel is a book, then a poem is a alow tone combine with words that math,. A rap is a high song like, strong feelings , an opera is singing is a dramatic work, music with instruments , and a symphony is 4 movements for a song. Is not that diffenrent but they have different tone .