The Vienna Boys’ Choir or Vienna Choir Boys is a choir of boy sopranos and altos based in Vienna, Austria. It is one of the best known boys’ choirs in the world. The boys are selected mainly from Austria, but also from many other countries.
The Orpheus Chamber Orchestra is a classical music chamber orchestra based in New York City. They have won several Grammy Awards. It is known for its collaborative leadership style in which the musicians, not a conductor, interpret the score.