It identified nuclear Armageddon as the prime threat, warning, We are approaching a point at which the erosion of the nonproliferation regime could become irreversible and result in a cascade of proliferation.  Developments since 2004 have only magnified the risks of an irreversible cascade.
(August 2014). A music genre is a conventional category that identifies some pieces of music as belonging to a shared tradition or set of conventions. It is to be distinguished from musical form and musical style, although in practice these terms are sometimes used interchangeably.
Pop music is a music genre that developed from the mid-1950s as a softer alternative to rock 'n' roll and later to rock music. Popular music or Pop music, as it is more common â¦ ly called, is difficult to define. The forties and fifties saw the emergence of rock 'n' roll.