Scorch
Scorch is an internet plug-in for macOS that enables playback of Sibelius notation files (MusicXML and other formats) directly within web browsers. It was developed by Sibelius Software, a division of Avid Technology, to allow musicians, composers, teachers and students to share and view musical scores online without requiring a local installation of the full Sibelius notation software. The plug-in integrates with macOS Internet Plug-Ins and handles score rendering and interactive playback in supported browsers.
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1 suggestionScorch is a macOS Internet Plug-In distributed as part of Sibelius notation software, not as a standalone application. It has not been updated since the early 2010s and is no longer actively maintained by Avid. Modern web browsers (Safari, Chrome, Firefox) discontinued support for plug-in architectures like NPAPI years ago in favour of web standards, HTML5, and WebGL. As a result, Scorch cannot function in current versions of macOS and browsers regardless of processor architecture. The plug-in will not launch on macOS 28 (September 2028) after Rosetta 2 is removed, but it is effectively non-functional on modern macOS versions today. If you need to share or play back Sibelius scores online, use the modern Sibelius Cloud platform at sibelius.com, which renders notation directly in a web browser using standard web technologies and requires no plug-in installation. Alternatively, export scores as interactive PDFs or MusicXML files and distribute those; most notation software (Finale, Dorico, MuseScore) can open and play them natively.
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