Post-rock: an umbrella term to describe the mostly instrumental music genre that uses rock instrumentation but disregards typical “rock” song structure. For post-rock music discussion, discovery, news, reviews, and your favorite tracks and videos.
Metalcore is a subgenre of hardcore punk combining various elements of extreme metal and hardcore punk. The name is a portmanteau of the two genres. Metalcore is distinguished from other punk metal fusions by its emphasis on breakdowns: slower, intense passages conducive to moshing. This is a place for news, reviews, videos and discussion of your [favorite metalcore bands](http://en.wikipedia.org/wiki/Category:Metalcore_musical_groups).
Short, fast, loud, brutal, heavy, obnoxious. Not just crust, but also neo-crust, d-beat, and dark hardcore. Too punk for metal, too metal for punk. Completely D.I.Y. Total disgust with society combined with a drive to make it better. Radical politics, radical music. Talk about the music, the lifestyle, your scene, whatever. Post links to live videos, music, blogs, zines. Write thought-provoking self posts. Tear down the establishment!
Deathcore is an extreme metal subgenre/subgenre of metalcore. It is an amalgamation of death metal with metalcore or hardcore punk, or both. It is defined by an "excessive" use of death metal riffs, blast beats and use of hardcore punk breakdowns.