Hailing from Philadelphia (Mirage) and New Zealand (Concept), the relentless underground duo Mirage & Concept offer up two free internet releases, appropriately named "Long Days & Long Nights" and "Rejuvenation". Both projects serve as a reminder of how hip-hop was, from its rebellious and thought-provoking roots, to its boastful and sometimes brutal honesty. Mirage's soul-spilling lyrics are fueled by Concept's melodic "boom-bap" homage to the true beat-smiths of the 90's. Read more on Last.fm