For the first half of Marchetti’s life, he was, in his terms, “condemned” to just work at various bread-and-butter jobs, including: grape harvester, brick-layer, saddler, wine-seller, metal-shearer, turner, frame welder, and an ample “etc.” besides. In music he’s self-taught. His several attempts to handle serious musical research came to nothing at all, he says, because of feelings that this “establishment” is an entire farce. Among the main occasions of his innovative existence, he cites his ending up in Bruno Maderna in 1955. It had been through Maderna that he found absorb the decisive impact of John Cage’s ideas of emancipated audio and found formulate his placement which he phone calls Eventology. In the first ’60s he relocated to Spain and founded the ZAJ group along with his good friend and main collaborator Juan Hidalgo. Collectively they recognized “an infinity of tasks in and out of music.” His functions have close visual ties with the actions of Fluxus. He includes significant amounts of concrete sound-material into his compositions, such as for example recordings of visitors sound or the sound of rocks decreased down wells, and is well known in the wonderful world of visible arts for his installations and sculptural adjustments of pianos, i.e. covering them with little lamps, or encasing them in reddish brick. He provides performed and exhibited in a large number of cities across the world. Walter Marchetti today lives in Milan.