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.
This is a list of music styles. Music can be described in terms of many genres and styles. Classifications are often arbitrary, and closely related forms often overlap. Larger genres and styles comprise more specific sub-categories.This list is split into four separate pages:1  List of styles of music: AâF.2  List of styles of music: GâM.arger genres and styles comprise more specific sub-categories. This list is split into four separate pages: 1  List of styles of music: AâF. 2  List of styles of music: GâM.