Schola Cantorum Stuttgart Castiglioni, Niccolo - Hymns for Twelve Voices (1988-89) Ferneyhough, Brian - Time and Motion Study III (1974) for 16 voices, percussion and electronics Holliger, Heinz - Siebengesang for Oboe, Orchestra, Voices and the Speaker (1966-67) Kagel, Mauricio - Hallelujah for 18 solo voices a cappella Ligeti, Gyorgy - Lux Aeterna for mixed choir a cappella Schnebel, Dieter - fuer stimmen (...missa est): 1. dt 31,6, for mixed choir (1956-58) Schnebel, Dieter - fuer stimmen (...missa est): 2. AMN for 7 groups Vocalists (Sprechchor) Schnebel, Dieter - fuer stimmen (...missa est): 3. :!(madrasha II) for 3 Choir groups