recording of the first performance, given by Leo Krämer at the organ of Speyer Cathedral (during a concert of the Darmstadt International Summer Course for New Music, July 24, 1986)
played by the Opera Daedalus Ensemble from Rome: Vincent Royer (viola), Barbara Lazotti (soprano), Manuel Zurria (flute), Oscar Pizzo, Suyun Kim (pianos), Claudia Monaco, Giorgio Trevisiol, Rodolfo Rossi (percussions) & Flavio Ciatto (electric guitar), conducted by the composer
recorded in Bucharest, Universitatea Naţională de Muzică (National University of Music), Sala George Enescu (May 26, 2016 - Săptămâna Internaţională a Muzicii Noi XXVI)
performed by a speech choir of eight children from Utrecht`s Sint Maartenschool (each of them with an own tamtam and monochord) and three male adults, lead by Louis Coenen, with 24 solo strings of the Utrechts Symfonie Orkest (Utrecht Symphony Orchestra), conducted by Paul Hupperts