Sibelius is the world's best selling music composition and notation software offering sophisticated yet easy-to-use tools that are proven and trusted by top composers arrangers publishers educators and students alike. With Sibelius you can express accelerate and promote your creativity in more ways than ever before enabling you to deliver beautiful professional scores faster and share audio and video versions of your work - with stunningly realistic musical phrasing - to make your talent stand out from the crowd. It's the fastest smartest easiest way to write music for live performance film and television media entertainment or in the classroom.