Filament, a limitless laboratory for memory-free post-sampling music which has completely deconstructed sampling, consists of former Ground Zero members Otomo Yoshihide and Sachiko M. Filament is important both as an answer to Ground Zero's extreme chopping and plunderphonics ("plagiaristic" sampling), and as a touchstone of post-techno experimental music.
Otomo and Sachiko M played as a duo for the first time on November 5, 1995 at the LMC concert in London; but it was not until 1997 that they started playing duo often, as one of their major projects. At first they called their duo A-102; then they used both Filament and A-102, and occasionally simply "duo," with no specific project name. Since their U.S.-France concert tour of May '98, they have used the name Filament exclusively.