Sibelius Software is a score writing notation program. It allows composers to create professional scores and play them back in real-time. You can assign instrument sounds to each stave. Sibelius Software runs on OSX and Microsoft Windows.
The latest version Sibelius Ultimate is used by composers, arrangers, performers, music publishers, teachers and students. Including styles of classical, jazz, band, vocal, pop and film / television music.
Included with the notation software are templates and tools which help speed up the processing of writing music. You can also print your scores to a very definition. Multiple staves combined allow you to create full scores for orchestra and band.