For solo voices (SMzT or SAT) and instrumental ensemble (clarinet, trumpet, bass tuba, violin, piano, and 2 guitars, and optional unspecified instruments) ; the vocal parts may be prerecorded on tape and supplemented by children, baritones, and/or basses ; may be performed as a concert piece or staged work.
Words in various languages.
Instructions for performance, in German: p. iii-viii.