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.
Rock music is a genre of popular music that originated as  rock and roll  in the United States in the 1950s, and developed into a range of different styles in the 1960s and later, particularly in the United Kingdom and the United States.ooted in garage rock and other forms of what is now known as protopunk music, punk rock bands eschewed the perceived excesses of mainstream 1970s rock. They created fast, hard-edged music, typically with short songs, stripped-down instrumentation, and often political, anti-establishment lyrics.