Bach Collegium Japan (BCJ) is composed of an orchestra and a chorus specializing in Baroque music, playing with period instruments.It was founded in 1990 by Masaaki Suzuki with the purpose of introducing Japanese audiences to European Baroque music.Suzuki still remains its music director.The ensemble has recorded all of Bach’s cantatas, a project that extended from 1995 to 2018 and accounts for over half of its discography.