The Doelen Ensemble is a classical ensemble specializing in music of the 20th & 21st centuries. Established in 1990, it is based in Rotterdam in The Netherlands. With a flexibel formation the Doelen Ensemble brings divers programmes from small chamber music settings to big formations. The work of young composers is highlighted next to masterpieces from the recent era, that are seldom performed. The Doelen Ensemble has performed together with composers like Tan Dun, Steve Reich and Steve Coleman.It is led by Maarten van Veen.