Recording of Walter S. Kimmel's Cronaca.

Recording of Sten Hanson's Don't hesitate, do it right now. This work consists of 4 separate pieces: 'Che', 'The Glorious Desertion', 'Don't hesitate, do it right now', and 'Revolution'. This collection of pieces were inspired by the ADC (American Deserters Committee), a group of American soldiers that found sanctuary in Sweden after deserting the American army during the Vietnam war. The spoken text in this piece is sampled from a speech given by Che Guevara, a public figure who took part in Castro's revolution.

Recording of George Balch Wilson's Exigencies for eight channel tape. (https://en.wikipedia.org/wiki/George_Balch_Wilson)

Recording of Hans Ulrich Humpert's Der Frieden.

Recording of José Vicente Asuar's Gueraria repano

Recording of Christian Clozier's Lire à Lully. This work is the composer's first attempt at electroacoustic music. The sound source used for this piece is the piano which was not mixed but edited in "search of expressiveness".

Recording of Jean-Claude Risset's Little Boy computer suite for tape. The piece draws on various sound synthesis experiences that I did between 1964 and 1968, working with Max Mathews at Bell Laboratories. These experiences are described in particular in my 1969 sound catalog, which presents a recording of various synthesized sounds with the synth "scores" of these sounds: these scores are both production recipes and exhaustive descriptions of the sound. microstructure of sounds, just as a score describes the combination of various sounds. The Suite is part of a music composed for the play Little Boy by Pierre Halet (Editions du Seuil, Paris 1968), music which also includes vocal and instrumental sections. The theme of the play is the bombing of Hiroshima, relived through the fantasies of pilot Eatherly. In the Suite, the action is condensed into three parts. During the first, Flight and Countdown, the dream of the flight to Hiroshima is accompanied by moving textures, pierced by two fugitive episodes (jazz, gong) then the countdown of the bomb drop, chanted with the rigor of a metronome. In the second part, Chute, the sound travels among various rockets in the great circles of an indefinite descent: indeed the pilot …

Recording of Pierre Boeswillwald's La promenade du dimanche. First encounter with the widest possible electroacoustic language. The shape and geometry of sounds fade away in favor of emotion, images and climates. Sunday, day of rest where we do nothing but the simulacrum of what we would like to do!

Recording of Pierre Boeswillwald's La Promenade du Dimanche.

"Act of Openings" is a stereo composition made with Moog analog synthesis modules. Composed in 1968, its duration is 17'27. The score of the composition is a dense and modulated sound characterized by carefully controlled phase relationships. All the rhythmic and harmonic elements of the piece derive energy from a long, brilliant sound. Each part of the room is another glimpse of this sound, as a set of flowers form a bouquet. "Act of Openings" received the 2nd Prize at the 1969 Dartmouth International Electronic Music Competition.

Recording of Christian Clozier's En avant la zizique.

Recording of Gabriel 's Batucadas. This is a piece entirely composed with electronic sounds. It is an elaboration based on pulsations that occur at different speeds leaning towards density accumulation. Static, shrill and strongly aggressive material that overflows the interrupted background of pulsations. The work was composed in 1973, during the last year of existence of the Laboratory of the Latin-American Center of High Music Studies of the Torcuato Di Tella Institute.

Recording of Octavian Nemescu's "Concentric. A question with two answers." for instrumental ensemble and tape. The piece is a reaction to Charles Ives' "Unanswered Question," which is, in comparison, schizoid in nature, marked by breach, discord, disparity and incommunicability. There are three layered music layers in "Concentric" which join together to create a kind of communion that is timeless through the use of resonant harmonic issued by a fundamental sound C, placed in the deepest register, like a natural archetype (of a cosmic and supercosmic presence coming from the depths of existence).

Recording of Bogusław Schäffer's Concerto for tape.

"This piece made in 1969 with extremely modest means was integrated in 1972 into a triptych, Assemblages, which accompanied an exhibition of "Volumes éclatés" by the sculptor Michel Anasse. It can be considered the third of my "presentable" studies. “Energies” was part of the material submitted in 1988 for the first "Magisterium" of the Bourges Competition, which was obtained. "

Recording of Rudolf Ružička's Gurges. The composer calls this piece a "space matrix composition." It was created on the strength of promulgation of international trial electronic and concrete composition "Musica nova." It was composed in Pilsener Electronic Laboratory in November 1969 .

Recording of Werner Kaegi's Hydeophonie I for 4-track tape. It was composed and realized in 1969 in the studios of the Institute of Sonology in Utrecht (Holland). The piece is based on the possibilities offered by a generator with a variable function which, at the time, preceded the digital computer. Kaegi's work is based on programmed and descriptive structures. All the musical material was generated in a purely synthetic way, all resembling the "reality" having come only from the musical structures.

Recording of Alain Savouret's Kiosque.

Recording of Alain Savouret's Kiosque. This piece was created for live instruments and stereo tape. It's imagining a situation: in the center of the kiosk, someone is playing the score of their existence. Like any concert in a square, it is disturbed, distorted by external manifestations, foreign to the score. But here, in this particular situation, it is musical actions, taken over by the instrumentalists of Opus 9, which will disturb, prevent or perhaps facilitate the performance of this score.

Recording of Christian Clozier's Lettre à une demoiselle. This piece uses music written on a newspaper, a sheet, in an attic, in view of an open window on an impassive river, at a flowery table, around two o'clock in the morning, in a low voice, in memory of the companions of the Pleiad. There are three movements: draft, erasures, and post Scriptum. This work also uses sound samples and recorded sound to allow for the poem to reach full expression and character.

Recording of Christian Clozier's Marché calme et irrégulier.

Recording of Vittorio Gelmetti's L'opéra abbandonata tace e volge la sua cavita verso l'estreno.

Recording of Eduardo Bértola's Penetraciones for tape.

Recording of Coriún Aharonián's Que, spoken text performed by Armando Halty. All of the sound material, besides the spoken text, is electronically generated sounds. It was composed between July and October 1969 and was realized in the Laboratorio de Moesica Electronica of the Centro Latinoamericano de Altos Estudios Musicales of the Instituto Torcuato Di Tella in Buenos Aires.