He’s also working on an acoustic bass guitar version from his home workshop in Iowa City. “The string bass will probably always be my first love,” he concluded.

His band Graham Central Station reeled off a string of bass-driven albums for the remainder of the '70s, with thump-led tunes like Hair and The Jam.

It features a slightly larger body than the Pro with an elongated upper horn for improved balance specifically designed for this, their first, five-string bass model. It has a pair of custom designed ...