Mick Ralphs—the understated, precision-minded guitarist whose instantly recognizable licks helped define two of rock’s most enduring bands—died this week at the age of 81. His partner, Susie Chavasse, confirmed his passing. Ralphs had lived quietly in recent years, convalescing from the severe stroke he suffered shortly after his final appearance with Bad Company at London’s O₂ Arena in October 2016.