Horacio Vaggione has been played on NTS over 10 times, featured on 11 episodes and was first played on 26 April 2015.

Horacio Vaggione (born 1943 in Córdoba, Argentina) is an electro-acoustic and musique concrete composer who specialises in micromontage, granular synthesis, and thus microsound and (Landy 1994, p.148) whose pieces often are for performer and computer-generated tape. He studied composition at the National University in Córdoba and the University of Illinois, where he first gained exposure and access to computers.

Vaggione lives in Europe and visited every electronic studio there during the 1970s. From 1969 to 1973 he lived in Madrid, Spain, and was part of ALEA and co-founded an electronic studio and the Projects Music and Computer at the Autonomous University in Madrid with Luis de Pablo. In 1978 he moved to France, where he still resides, and begin work at GMEB in Bourges, INA-GRM and IRCAM in Paris where his music moved from synthesised and sampled loops (as in La Maquina de Cantar, produced on an IBM computer) towards micromontage. Since 1994 he has been Professor of Music University of Paris VIII and organised the CICM