Released in 1977, Trans-Europe Express is the 6th studio album by Kraftwerk. The group were refining their melodic electronic style with a focus on sequenced rhythms, minimalism, and occasionally manipulated vocals.
Released in 1978, The Man-Machine is the seventh studio album by Kraftwerk. The album saw the group incorporate more danceable rhythms and less minimalistic arrangements. Singles includ "The Model" and "The Robots."