NEW NAS! Escobar (as we will never, ever stop calling him) has a new album coming, entitled Life Is Good. So is the music: a joint with Rick Ross, a heartfelt cut called Daughters, and then for good measure the classic joint Purple. All that and more on this week's 20/20. Accidental Murderers -Nas Daughters - Nas Purple - Nas Hip Hop Forever - Dominant1 Bring It Back - The Forum Step Into a World - KRS-One Award Tour - A Tribe Called Quest One Time - The Roots Contact- Foreign Beggars Body Bags - Cory Gunz Swordfish (Remix) - Pumpkinhead O.P.G Theme - Reef The Lost Cause Tragic -  Grieves Join The Dots - Roots Manuva Gutter Rainbows - Talib Kweli