The guit-board is clearly the finest instrument to grace stadiums of decades past, but despite the innate bad-assery of the instrument, it faded into ironic-hipster use like the Eigenharp and Tenori-On. Fortunately, the geniuses at Alesis refused to let it pass into obscurity, releasing the Vortex in an attempt to propel the shoulder-slung keyboard into the stratosphere. Whilst plenty of body-mounted keyboards are available (Roland's
