Hip hop is remarkably self-critical as a genre. In lyrics, rappers continue to debate the definition of hip hop and question where the line between underground artist and mainstream crossover is drawn, who owns the culture and who runs the industry, and most importantly, how to remain true to the culture's roots while also seeking fame and fortune. The tension between the desires to preserve hip hop's original culture and to create commercially successful music promotes a lyrical war of words between mainstream and underground artists that keeps hip hop very much alive today. In response...