After Successful Return! Bio Killaz (Saint Sinna & Klept) Release "When the Darkness Falls" Single!

After a successful return to the Wicked Underground through their flavorful "Bastards of the Universe" LP. Longtime Michigan rap duo Bio Killaz (Saint Sinna & Klep) show no signs of slowing down by releasing another new single entitled "When the Darkness Falls"!  Fans can support "When the Darkness Falls" via Apple Music below!