Although increasing ethnic diversity is widely assumed to make the arts more â€?vibrant,â€? the triumph of the ideology of multiculturalism appears to have instead helped cause pop music to stagnate stylistically. Thereâ€™s a fundamental connection between the growth of ethnic pride and the decline of generational rebellion, because to rebel against your forefathers is to rebel against your race. Thus, for a group of young black musicians to issue a manifesto pointing out that 30 years of rap is plenty would be racial treason. Although long exhausted musically, hip-hop has become so emotionally entwined with African-American identity that weâ€™re all stuck with it.You can read it there and comment on it here.