The Cleveland Orchestra, based in Cleveland, is one of the five American orchestras informally referred to as the "Big Five". Founded in 1918 by the pianist and impresario Adella Prentiss Hughes, the orchestra plays most of its concerts at Severance Hall. As of 2016, the incumbent music director is Franz Welser-Möst. In 2012 Gramophone Magazine ranked the Cleveland Orchestra number 7 on its list of 20 of the world's greatest orchestras.