2010. crox 289-18, THE ENDLESS STORY OF FLUXUS. The first part is a performance of a piano work by George Maciunas.Svend Thomsen's document is from 1985. Ben Vautier is one of the performers. There is a pianist, someone is adding a white coat of paint to the piano and Vautier is wielding a hammer. The compilation has another work by Ben Vautier.
Mail art correspondent of Sjoerd Paridaen. Also from the eighties, I presume. There is a link to Ben Vautier's website under 'artist / others'.