 On 15 May 1997, the group performed with the Slovenian symphony orchestra, conducted by Marko Letonja, and the "Tone Tomšič" choir, for the opening ceremony of the Ljubljana European Month of Culture, presenting orchestral versions of their earliest material, which they rarely performed live, arranged by Uroš Rojko and Aldo Kumar with the members of the group.During the same year, the live album "M.B.December 21, 1984" was released, featuring recordings of the forbidden concert in the Ljubljana Malči Belič Hall, a February 1985 concert at the Berlin Atonal festival, and the April 1985 performance at the Zagreb club Kulušić.