all about jazz correspondent john kelman observed "with "underground" potter delivers the album that his consistently impressive past efforts only suggested was possible. combining complex and emotionally wide-reaching compositions with often knotty, yet always accessible grooves, potter has finally fashioned an album that, more than announcing his potential, delivers it from start to finish with a clear voice ... potter is by no means at his creative peak—or so we can only hope—but with "underground" he has made his most personal and successful statement to date".