Adagio At ease;a slow tempo Accelerando A symbol used in musical notation indicating to gradually quicken tempo. Contralto The lowest female voice; against the high Cantata Sung; A multi-movement vocal work for a concert or church performance Drone A note that continues at the same pitch for an extended period of time Duet A piece for two performers Finale The last movement for a symphony or the last section in an opera Ensemble A group of instrumentalists or singers