Improvisation, especially of the largely unplanned and entirely freeform variety, can be a bit hit-and-miss, particularly when it becomes apparent that the performers aren’t singing (or playing) from the same hymn sheet. Nevertheless, when collective interactions click into place—as on this seven-track mini-album by Alexander Varty on guitar & electronics, Andres Kahre on percussion and electric cello, and violin virtuoso Jack M Campbell—the results can be truly striking and illuminating. No Room For Error came about through a serendipitous encounter between Campbell and longtime collaborators Varty and Kahre on Gabriola Island (which lies in the Strait of Georgia in British