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 type of popular music that many people like to listen to. The term pop music can be used for all kinds of music that was written to be popular. The word pop music was used from about 1880 onwards, when a type of music called music was popular.