There is no music more powerful than hip-hop. No other music so purely demands an instant affirmative on such a global scale. When the beat drops, people nod their heads, yes, in the same way that they would in conversation with a loved one, a parent, professor, or minister.
The Dead Emcee Scrolls: The Lost Teachings of Hip-Hop (ed. Simon and Schuster, 2006) - ISBN: 9781416523048