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.
Concept of genre Genre: a category of artistic, musical, or literary composition characterized by a particular style, form, or content (Merriam-Webster) â¢ Romance â¢ Mystery â¢ Tragedy â¢ Comedy â¢ Western â¢ Coming of age â¢ Memoir â¢ Poem â¢ Novel â¢ Play â¢ Novella â¢ Short Story.