Sibelius is a music notation software that can be used by composers, arrangers, and publishers and also for beginners and students. Its task-focused user interface has tabs that creates a score from start to finish. It contains icons with text descriptions that are accessible through a button or a keyboard shortcut The software features more than 38 GB of professional content that has a specially recorded symphony orchestra, rock and pop instruments, and many others. Sibelius is the first 64-bit notation. 64-bit applications can directly address more than 4 GB RAM with full VST and Audio Unit compatibility. The audio engine balances multiple virtual instruments and effects automatically in any available core of a multi-core CPU, utilizing the computer’s resources. The software features a step-time note input method and includes full MusicXML export capability, which allows users to exchange files with a variety of applications. It has the latest OpenType fonts with advanced features like ligatures, that can be used in text frames with full DTP-level capabilities. It can import graphics in different file formats and manipulate them to create layouts for publishing, teaching materials, instructional books, and others. It can also export in full score like publication-quality graphics in PDF format, individual pages or smaller sections in EPS, PNG, and SVG formats.