The chief executive of Scotland's national orchestra is to leave his post to run the leading national authority on music assessment.

Michael Elliott is to leave his post at the Royal Scottish National Orchestra (RSNO) in January 2015 to become the chief executive of the Associated Board of the Royal Schools of Music (ABRSM). In his tenure, which began in 2011, the RSNO has toured China and begun building its new home in central Glasgow. ABRSM is the exam board of the Royal Schools of Music, in charge of over 650,000 exams and assessments every year in 93 countries.