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.
Hyponyms (each of the following is a kind of musical genre): African-American music; black music (music created by African-American musicians; early forms were songs that had a melodic line and a strong rhythmic beat with repeated choruses).