Much like their 1990s grunge and alt-rock contemporaries in America, Canada’s Our Lady Peace were writing and recording murky, sorrowful songs about youthful frustration and adult rage, love lost and societal alienation. But there was always an underlying theme of hope throughout the larger message. Thirty-plus years since their debut album, 1994’s Naveed , the band is soldiering on, and celebrating their three-decade longevity. On this particular night, it’s onstage at Plaza Live in Orlando,