Zaj
Zaj was an experimental music and performance art group formed in 1959 in Milan , Italy by composers and intermedia artists Walter Marchetti and Juan Hidalgo with the support of the American composer John Cage . 
<triplet> Zaj <subj> 1959 <obj> inception <triplet> Milan <subj> Italy <obj> country <triplet> John Cage <subj> experimental music <obj> genre <subj> performance art <obj> genre