ANCIENT HISTORY: Three years have passed since “Black Oni” (Ipecac Records). Four years since “Five Suns”(Cuneiform Records). The new album by Guapo is finally here and thus concludes the recondite triptych they set out to accomplish. Flux is not uncommon here, every record taking on new musical hues and offering disparate ideas and perspectives. However an upheaval in the line-up, which of recent years has been anchored by the trio of Daniel O’Sullivan