The Swiss group Klaus Johann Grobe played its first U.S. show ever on Tuesday, April 26, at the Empty Bottle in Chicago. Chicago also happens to be where the group’s American record label, Trouble in Mind, is based. Klaus Johann Grobe’s new album, Spagat der Liebe, continues in the keyboard-dominated Krautrock dance style of the duo’s 2014 debut, Im Sinne der Zeit. With the addition of a bassist to the concert lineup, the group made delightful grooves with synth, organ,metronomic drum beats and German lyrics that seemed almost chanted at times — a beguiling balance between the mechanical and the organic. The opening acts were the Hecks, with impressively complex and interlocking guitar lines, and Chandeliers, playing pleasantly trance-y synth-and-drums pop.