Alan John Terry

Part of Avid Technology, Inc., Avid Technology Europe Ltd. is a British company that offers professional music writing software. The company is based in Iver Heath, UK and was founded in 1991. The company's software, Sibelius and Sibelius Ultimate, provides composers, arrangers, publishers, and educators with an expanded set of notation tools and symbols to create sophisticated sheet music. Sibelius is recognized as the world's best-selling music notation software, allowing users to compose, arrange, publish, and teach music writing and scoring on both desktop and mobile platforms.