A sub-genre of Hardcore Techno that utilizes extremely fast beats coupled with layers of harsh sounds and warped vocal samples.
Speedcore as a genre starts its beats off in the high 200 BPM and can result in tunes reaching a 1000 BPM and more. The faster and harsher sounds are often labelled as 'Ultra Speedcore'.
Speedcore has cousins in Terrorcore, Noizecore and Gabba. It has also spawned a further sub-genre, commonly known as Extratone.
Some excellent examples of the different types (speed rates) of Speedcore include -
ANC - Terrorklaenge
DJ Noisekick VS Kerberos - 666 BPM
Hellz Army - Doomed (DJ Tense)
Komprex - The Centrifuge Anthem
TerrorMasta - BrainBrainBrainBrain
A musical style which focuses mainly on speed and noisy samples, is often also very chaotic in sound, pop listeners should not listen to this kind of music.
An extremely brutal form of electronica which contains beats of 200-400 bpm. It's the equivelent of taking a jackhammer to the head. This music WILL most likely give you a headache if taken in large doses.