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Sibelius is a scorewriter program, created by Sibelius Software (now part of Avid Technology) for Microsoft Windows, OS X, and historically RISC OS. It is used by composers, arrangers, performers, music publishers, teachers and students, particularly for writing classical, jazz, band, vocal, film and television music. Beyond editing and printing scores, Sibelius can also play music back using synthesized sounds, produce legible scores for editing and printing, and publish scores for others to access via the Internet and iPads. Sibelius says that it is the world's best-selling scorewriter, with "hundreds of thousands of users in 100 countries".〔(Sibelius corporate information )〕 'Lite' versions of Sibelius, with fewer features, at lower prices, have been released, as have various add-ons for the software. ==History== Sibelius was originally developed by British twins Ben and Jonathan Finn for the Acorn Archimedes computer, under the name Sibelius 7. Development (done on RISC OS fully in assembly language) was started in 1986, just after the Finns left school, continuing while they were at university. They were music students, and they said they wrote the program because they did not like the laborious process of writing music by hand. The program was released to the public in April 1993 on 3.5-inch floppy disk. It required considerably less than 1 MB of memory (Sibelius 7 needed only 548 K for a 33-page symphonic score, for example), but the combination of assembly language and Acorn's RISC chip meant that it ran very quickly. No matter how long the score, changes were displayed almost instantly. The first ever user of Sibelius was the composer and engraver Richard Emsley, who used it before its release and provided advice on music-engraving aspects of the software. The first score published using Sibelius was ''Antara'' by George Benjamin, published by Faber Music and copied by Emsley. Other early users included composer John Rutter, conductor Michael Tilson Thomas, and publisher Music Sales. Sibelius rapidly dominated the UK market, being a killer application for the niche Acorn platform.〔 It also sold in smaller numbers in a few other countries, restricted by the availability of Acorn computers. 'Lite' versions were subsequently released; these were successful in UK schools, where Acorns were widely used. In September 1998, the first version for Windows was released (now simply called Sibelius, and with the version number reset to 1.0).〔(【引用サイトリンク】title=Sibelius Corporate Information )〕 A Mac version was released a few months later. To produce these versions the software was completely rewritten in C++, while retaining most of the original's functionality and user interface with numerous enhancements. Releasing Sibelius for more widely available computers brought it to a worldwide market, particularly the US, where Sibelius Software had opened an office in late 1996. Following the break-up of Acorn Computers shortly after Sibelius's Windows release, no further Acorn versions were developed. In August 2006, Sibelius Software Ltd. was acquired by Avid Technology, an American manufacturer of software and hardware for audio and video production. Avid has continued publishing Sibelius as a stand-alone notation product, as well as integrating it with some of its existing software products. In July 2012, Avid announced plans to divest its consumer businesses (not Sibelius), closed the Sibelius London office, and laid off the original development team,〔〔〔 though then recruited a few new programmers to continue development. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sibelius (software)」の詳細全文を読む スポンサード リンク
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