Using the definition of language as a model define music, art,

Music is an art form whose medium is sound. The elements of music are pith, rhythm,
dynamics and the sonic quatlities of timbre and texture.
Art is the process or product of deliberately arranging elements in a way that appeals to
the senses or emotions. It encompasses a diverse range of human activites, creations,
and modes of expression including music, literature, film, sculpture, and paintings.
Ballet is a formalized type of perfomance dance which is performed by trained artists,
including mime and acting, and is set to music.
Poetry is a form of literary art in whith language is used for its aesthetic and evocative,
qualities in addition to, or in lieu of, its apparent meaning.