rock music
n 1: a genre of popular music originating in the 1950s; a blend
of black rhythm-and-blues with white country-and-western;
"rock is a generic term for the range of styles that
evolved out of rock'n'roll." [syn: {rock 'n' roll},
{rock'n'roll}, {rock-and-roll}, {rock and roll}, {rock},
{rock music}]