DeForrest Brown Jr.'s final piece as Speaker Music - is Synoptic Audio. The album is made of live recordings of electronic improvisation, essentially a self-made palette of dense, transporting drone and hand played keyboards and drums. It's a nexus of jazz and techno at the level of practice. It sounds like a jazz symphonic arrangement of shoegaze/post-rock via Detroit/dub techno, drawing inspiration from Black electronic music pioneer Don Lewis.