Nas new album ,"Life Is Good", is an all around good album that focuses on true Hip Hop. Make sure you buy this album, if you haven't already, as it is an instant classic. Check out this video of Nas performing live at the Vitamin Water and Fader uncapped last night in Detroit. "With a catalogue spanning some 20 years, Nas has no shortage of songs that provoke a reaction. it was one of his new classics though, "Summer on Smash," from his "Life Is…