It had been four years in the making, but Grouplove lived up to the hype, making a splash when they returned to First Avenue last Saturday. With a new tour to support the release of their most recent album, Big Mess, the Los Angeles–based band took the stage with their patented exuberant energy, passion, and—naturally—love. Featuring a colorful backdrop, endless jumping around, a dynamic stage presence, and even a groupie Care Bear running across the stage in a blue...