Chart-topping female emcee, T BARZ recently released her sophomore single, DUNNO WHY featuring vocalist Nicole Garcia The laid-back flow-filled ‘Dunno Why’ is available at all digital retail outlets now, via the BSE Recordings imprint. T BARZ is coming off the heels of her successful chart-topping #1 Rap/Hip Hop single, ‘FLEXIN’. ‘FLEXIN‘ spent 4 weeks at…