Power Metal is Heavy Metal taken to the absolute limit. Following in the wake of Thrash Metal, Power Metal boasted the same aggression and volume of its forefat

Containing 27,000 entries and over 6,000 new entries, the online edition of the Encyclopedia of Popular Music includes 50% more material than the Third Edition.

Rooted in ancient instigators such as Pentagram, Atomic Rooster and the mightiest of mighty - Black Sabbath, Doom has defied all the odds to spawn a huge global

Cognitive Science combines the interdisciplinary streams of cognitive science into a unified narrative in an all-encompassing introduction to the field. This te