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.
Definition of genre. 1  1 : a category of artistic, musical, or literary composition characterized by a particular style, form, or content a classic of the gothic novel genre. 2  2 : kind, sort. 3  3 : painting that depicts scenes or events from everyday life usually realistically.