The Amsterdam Baroque Orchestra & Choir is a Dutch early-music group based in Amsterdam. The Amsterdam Baroque Orchestra & Choir was created in two stages by the conductor, organist and harpsichordist Ton Koopman. He founded the Amsterdam Baroque Orchestra in 1979 and the Amsterdam Baroque Choir in 1992. They have performed in concert halls such as the Concertgebouw Amsterdam, Barbican Centre London,Konzerthaus, Vienna, Lincoln Center New York and Tokyo Metropolitan Art Space Tokyo.