John O'Sullivan

John O'Sullivan is a scalesmith, author, music theorist, composer and web app developer.

Invented scales

• Blue-ji
• Blue temperament
• Eagle 53
• Raven
• Raven2
• Zen

Website

• johnsmusic7.com - Includes more extensive detail on the scales discussed here, a gallery of O'Sullivan's music tuning web apps, along with links to O'Sullivan's books.