Atmosphere and complexity, usually in the form of melodic builds and evolving drill beats. Mercurial also refers to a heavy alternative band from Perth, Western Australia, who have recently released their debut album 'August Design'. They weave electronics and synths into their own brand of heavy rock. Meanwhile, up on the Northern Hemisphere, is a band from the hills of Appalachia, known as Mercurial.

Read more about Mercurial on Last.fm.