The Zaragoza Auditorium Chamber Orchestra – “Enigma Group” (OCAZEnigma), founded in 1995, is one of the leading chamber orchestras of the Spanish scene. As a resident ensemble of the Auditorium of Zaragoza from the very beginning, the OCAZEnigma has consolidated its position with a bold program in a continuous state of crossover, where tradition enters into dialogue with new forms of contemporary expression.