Editor's Note: It was a year where Minneapolis, Minnesota's own Sleep Signals took that next step. They rocked the Northern Invasion stage with Soundgarden and other bands, only to learn that several days later that Chris Cornell took his own life. They logged thousands of miles, played in 22 states, and shot a popular video … Continue reading Robert Cosgrove of Sleep Signals Reflects on Sharing the Stage with Soundgarden Days Before Chris Cornell’s Death with Madness To Creation!