According to the Internet source given below, Arvo Pärt is an Estonian composer of classical and religious music born in Paide, Järva County, Estonia.
He studied composition at Tallinn Conservatory under Heino Eller. His most performed works include Fratres
(1977), Spiegel im Spiegel
(1978), and Für Alina
(1976). Pärt is said to be the world's most performed living composer.
||Biography by wikipedia.org.