Sentence:  "...not knowning as they strolled through the doors of the community center near Bambaataa's mother's apartment that they were writing musical history. Among them was an MC named Lovebug Starski, who was said to utter the phrase <WSD> 'hip-hop' </WSD> between breaks in time." 
Meaning of the word marked with <WSD> tags:  An Afro-American urban youth culture based on rap music, breakdancing etc.