The Kendrick Lamar associate sprawls out on his poetic, contemplative second album. Making good on 2014’s enormously promising Cilvia Demo, The Sun’s Tirade echoes late-night ‘70s soul and its ‘90s counterparts (Erykah Badu, Outkast) rendered in booming, contemporary colors—a fitting backdrop for Rashad’s unsparing reflections on race (“BDay”), youth (“Free Lunch”), depression (“Dressed Like Rappers”) and ambition (“Park”).