If you mean, what does Shakespeare mean when he uses the word "music" the answer is of course music. It meant the same to Shakespeare as it means to you. If you mean, what is its significance in Shakespeare's plays, that is a different and much more complex question. The plays featured many songs--drinking songs, love songs, hunting songs, sad songs. Sometimes songs are sung in the street to women in the house (Hark, Hark the Lark in Cymbeline and Who is Sylvia in The Two Gentlemen of Verona). Professional singers like Feste in Twelfth Night and Amiens in As You Like it sing requests for people. In other words there is a lot of music going on, but as to what it means--well, different things on different occasions.
shakespeare is famous for plays
We have no reason to believe that Shakespeare was a musician. He wrote lyrics for songs, but there is no record that he wrote music for them or performed them.
classical orchestra music
What do you mean if Shakespeare have it? If you mean does Shakespeare have what it takes, then yes. He should any way.
Shakespeare cannot be mean - he has been dead for centuries.
no he wrote plays and poems
When people say Shakespeare they mean William Shakespeare the playwright. There was only ever one of him.
Shakespeare was born in 1564, if that's what you mean. That was the year he started being Shakespeare.
He was associated with the music in Shakespeare's tragedy Romeo & Juliet.
to it
in
Sorry, Shakespeare did not use that word.