The Cross of Changes is the second studio album by the German musical project Enigma, headed by Romanian-German musician and producer Michael Cretu, released on 6 December 1993 by Virgin Records internationally and by Charisma Records in the United States.

MCMXC a.D. is the debut studio album by the German musical project Enigma, led by Romanian-German musician Michael Cretu. It was released in Europe by Virgin Records on 3 December 1990, and in the United States by Charisma Records on 12 February 1991. Cretu became fascinated with mixing archaic sounds with modern music after producing German pop singer Sandra's song "Everlasting Love", for which he experimented with Gregorian chant. Following Michael Cretu and Sandra's marriage in 1988, Michael developed the idea of the musical project Enigma and recorded the album over the course of eight months in 1990 at A.R.T. Studios.