VARIOUS-INDUSTRIAL & AVANT-GARDE Free Improvisation (Rare 1971 11-track 3-LP vinyl set, housed in a two-piece box with 8-page insert. Three classics of improvisation in one box including; German free music experimentalists 'New Phonic Art', 'Iskra 1903' a collaboration between three of Britains finest improv musicians: Derek Bailey, Barry Guy and Paul Rutherford and lastly 'Wired' more wonderful German experimentalism which included Krautrock legend Conny Plank amongst its members.Aside from the lid of the box showing a split the rest of the box is free of any wear, the album sleeves and vinyl are all in Mint condition)