TESTIMONY(EX)(DLX)Illustrator: Kevin Harp . Photographer: Hannibal Matthews. For those who didn't get around to checking the brief 2013 release Downtown: Life Under the Gun, August Alsina opens his first full length with "Testify," a ballad that, with grim elegance, lays out the New Orleans native's background. Within a matter of four minutes, he sings of abandonment, envy, poverty, desperation, survival, and the death of his brother. When he confesses, "Didn't