Prosuming ''Dubstep sessions'' - Video SMS 3.15

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Prosuming Dubstep tunes. The music can be described as "tightly coiled productions with overwhelming bass lines and reverberant drum patterns, clipped samples, and occasional vocals." 

Dubstep's constituents originally came from "different points in the 1989—99 UK lineage: bleep 'n' bass, jungle, techstep, Photek-style neurofunk, speed garage and step." 

The traces of pre-existing styles "worked through their intrinsic sonic effects but also as signifiers, tokenings-back addressed to those who know". Dubstep's early roots are in the more experimental releases of UK garage producers, seeking to incorporate elements of drum and bass into the South London-based -step garage sound. 

These experiments often ended up on the B-side of a white label or commercial garage release. Dubstep is generally instrumental. Similar to a vocal garage hybrid – grime – the genre's feel is commonly dark; tracks frequently use a minor key and can feature dissonant harmonies such as the tritone interval within a riff. Other distinguishing features often found are the use of samples, a propulsive, sparse rhythm, and an almost omnipresent sub-bass. 

Some dubstep artists have also incorporated a variety of outside influences, from dub-influenced techno such as Basic Channel to classical music or heavy metal.

Rhythm & Wobble bass

Dubstep rhythms are usually syncopated, and often shuffled or incorporating tuplets. The tempo
is nearly always in the range of 138–142 beats per minute, with a clap or snare usually inserted every third beat in a bar. 

In its early stages, dubstep was often more percussive, with more influences from 2‑step drum patterns. A lot of producers were also experimenting with tribal drum samples, such as Loefah's early release "Truly Dread" and Mala's "Anti-War Dub". 

In an Invisible Jukebox interview with The Wire, Kode9 commented on a MRK1 track, observing that listeners "have internalized the double-time rhythm" and the "track is so empty it makes [the listener] nervous, and you almost fill in the double time yourself, physically, to compensate".

One characteristic of certain strands of dubstep is the wobble bass, often referred to as the "wub", where an extended bass note is manipulated rhythmically. This style of bass is typically produced by using a low-frequency oscillator to manipulate certain parameters of a synthesiser such as volume, distortion or filter cutoff. 

The resulting sound is a timbre that is punctuated by rhythmic variations in volume, filter cutoff, or distortion. This style of bass is a driving factor in some variations of dubstep, particularly at the more club-friendly end of the spectrum.

• Read more on : http://en.wikipedia.org/wiki/Dubstep