Progressive rockers Coheed and Cambria are nearing the final couple of weeks of a month-long tour supporting their latest release Vaxis – Act II: A Window of the Waking Mind. Accompanying them on this run are pop-punk legends Alkaline Trio and alt-pop artist Mothica. We caught up with the tour at the halfway point on July 29th at Boston’s Agganis Arena. The night began with a set from Mothica, the stage name for musician McKenzie Ellis. Ellis strode out onto the stage before the nearly half-full arena and kicked her set off with the track, “Casualty.” During the set, Ellis opened up to the crowd about her struggles with depression, sexual assault, and domestic abuse. At one powerful moment, she spoke about a moment in her life when at the age of 15, she tried to take her own life before in...