"Lionel Marchetti is a composer of concrete music. First self-taught, he then explores the repertoire of concrete music, as acousmatic art, with the composer Xavier Garcia 1 from 1989 at COREAM (Collective for electroacoustic research and musical action) in Fontaine ( Isère ). He then composed in the studios of the Musical Research Group in Paris, of the Living Music Group of Lyon, of La Muse en circuit in Alfortville, of Césaré in Reims, of Gmem inNational center for musical creation in Marseille, at the training center for intervening musicians (CFMI) in Lyon and in his personal studio. At the same time, Lionel Marchetti pursues a work of poetic writing 2, 3, as well as a theoretical approach to concrete music and the art of the loudspeaker, as a practicing artist of the genre.

His book La musique concrète by Michel Chion 4 remains the most noticed - as well as his essay Speaker, voice and mirror... - technical essay in the form of a letter 5.

Its catalog is currently rich with more than a hundred concrete works.

Since 1990, he has been a lecturer in the art of concrete music and electroacoustic techniques at CFMI Lyon at the University of Lyon 2 (see BNF authority notice)."

"Sound artist, improviser, composer Pascal Battus develops a practice of sound more attentive to the sound gesture, the listening and the situation which determines them than to a defined instrument: the pickup of guitar (guitar pickup without guitar) , rotating surfaces, the guitar "environnée" (electric guitar on table + micro contact + various objects + electronics), percussion (objects amplified or not), ... His work is regularly broadcast on international airwaves (France Musique, Resonance FM, ...) He has played in Europe, United States of America, Canada, Asia, Middle East, Australia, ... solo or more frequently with other musicians. he often works with dancers, visual artists (video, light, sculpture, ...). He creates Graphones (sound drawings) and co-invents Massages Sonores. His records are published by Potlatch, Corpus Hermeticum, Amor Fati, Another Stamp, Cathnor, Organized Music From Thessaloniki, Herbal International ..."