The term "viola concerto" refers to a classical music composition that features the viola as the solo instrument accompanied by an orchestra. Some possible synonyms for this term include "viola solo," "viola concert piece," "viola composition," or simply "viola concerto." Alternatives might include more descriptive phrases such as "viola-focused orchestral work" or "orchestral piece featuring the viola as the lead instrument." The viola concerto is a revered form of classical music, with famous examples by composers such as Bartok, Stamitz, and Walton, and has been interpreted by many of the world's leading orchestras and soloists.