Muse Group
Music software and education company

Muse Group (MuseCY Holdings Ltd.) is a Cypriot software and education company specialised in making tools and resources for music composition, music production and music education. Established in 1998 as Ultimate Guitar, it became Muse Group in 2021 following several acquisitions such as MuseScore and Audacity. It is now headquartered in Limassol, Cyprus, and became the parent company of Hal Leonard in 2023.
01History
In 2017, the company acquired the open source music notation tool MuseScore (now MuseScore Studio) and its sheet music sharing platform MuseScore.com, respectively launched in 2002 and 2010.
In 2021, it acquired the open source audio editor Audacity, a software project originally started in 2000.
In 2023, Muse Group acquired American music publishing company Hal Leonard, founded in 1947, and its entire catalogue of sheet music and music learning resources.

02Products and Acquisitions
| Products | |||||||
|---|---|---|---|---|---|---|---|
| Logo | Name | Description | Platform | Year | |||
| Ultimate Guitar | Online sharing platform for guitarists. | Web | Proprietary | Launched | 1998 | ||
| Acquired stake of Dean Zelinsky Guitars | 2012 | ||||||
| Agile Partners | Several software products, including: | Acquired | 2013 | ||||
| SteadyTune | Desktop/Mobile | Proprietary | |||||
| AmpKit | Desktop/Mobile | Proprietary | |||||
| Tonebridge | Virtual effects pedal for guitars. | Mobile | Proprietary | Launched | 2016 | ||
| MuseScore Studio | Music notation app. | Desktop | Open source | Acquired | 2017 | ||
| MuseScore.com | Online score sharing platform. | Web/Mobile | Proprietary | Acquired | 2017 | ||
| , N/a | Crescendo | Music education app. | Desktop/Mobile | Proprietary | Acquired | 2018 | |
| MuseClass | Music education app. | Web/Mobile | Proprietary | Launched | 2020 | ||
| Audacity | Audio editor. | Desktop | Open source | Acquired | 2021 | ||
| StaffPad | Music notation app. | Mobile | Proprietary | Acquired | 2021 | ||
| MuseHub | Audio/music store for MuseScore and Audacity. | Desktop | Proprietary | Launched | 2022 | ||
| Audio.com | Online music sharing platform. | Web | Proprietary | Launched | 2022 | ||
| Hal Leonard | Sheet music, method books, and several software products, including: | Acquired | 2023 | ||||
| Noteflight | Web | Proprietary | |||||
| Sheet Music Plus | Web | Proprietary | |||||
Sources and credits
This article is adapted from the Wikipedia article “Muse Group”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Muse Group logo.svg by Unknown author, Fair use
- Muse Group logo 2024.svg by Unknown author, Fair use
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