As the frontman for U.S. Maple, Al Johnson utilized his voice as a textural and percussive instrument rather than a melodic vehicle. His delivery consisted of rasps, sharply drawn breaths, and fragmented phrasing. Al operated with rigid adherence to a self-devised notation system, scripting every pause and vocal eccentricity in advance. This formalized approach to dissonance allowed his vocals to function not as a traditional lead, but as an integrated component within the band's broader framework of structural deconstruction.