To me, the job of the artist is to provide a useful and intelligent vocabulary for the world to be able to articulate feelings they experience everyday, and otherwise wouldn't have the means to express in a meaningful and useful way.
Mos DefI was taught when there's somethin' you can change around keep quiet, you got nothin' to complain about.
Mos DefThere was a time when hip-hop was its own musical principle, aside from sampling. Like the entire Wild Style break is instrumental. Kurtis Blow's earliest stuff was studio musicians playing. Whodini had a real clear sound, things like "five minutes of funk," stuff that you could write really beautiful, lush string and horn arrangements around, stuff that was just music.
Mos Def