Alternately psychedelic, progressive, and hard rock-styled, the eclectic German band Grobschnitt became one of the most popular live acts in German history. The group recorded several lauded albums in the 1970s, moving between styles before switching to more mainstream pop and rock in the 1980s. Meanwhile, in part thanks to drummer Joachim Ehrig, the group added touches of absurdist humor to their records and live shows…