The researchers studied trends in style, the diversity of the charts,
and the timing of musical revolutions. They find that, contrary to
popular belief, the so-called "British Invasion" of US pop music by
groups such as The Beatles and The Rolling Stones, did not start a rock
revolution, but only followed existing trends. The greatest musical
revolution in US pop history was also not 1964, but 1991when hip-hop arrived in the charts...
From the fevered imagination of