Original sentence: "  A breakdown is a slow to mid-tempo riff of a song that often involves staccatto meshuggah-esque type guitars over heavy and double-kick laden drum beats.Many metal purists will argue that much of metal core rips off traditional euro-black and death metal bands.Metalcore is usually more varied in its influences (from thrash to jazz) and in its dynamics.The object of the breakdown is to excite" the listener into moshing or dancing hardcore.The staple riff of most metalcore bands is the known as the "breakdown.This is grounded in the fact that many metalcore riffs sound similar to various black and death metal riffs (as in the case of bands In Flames and Cannibal Corpse), a significant musical difference metalcore and metal is in song structure
Edited sentence: A breakdown is a slow to mid-tempo riff of a song that often involves staccatto meshuggah-esque type guitars over heavy and double-kick laden drum beats.Metalcore is usually very varied in not only its influences (which can range from thrash to jazz), but also in its dynamics, as the staple riff of *most* metalcore bands is the BREAKDOWN.The object of the breakdown is to "excite" the listener into moshing or dancing (hardcore dancing, to be specific).While it is apparant that many metalcore riffs *sound* like various black and death metal riffs (likend  to such bands as In Flames and Cannibal Corpse), the ultimate difference between metalcore and METAL is in song structure.While many metal purists will argue that much of metal core "ripps-off" traditional euro-black and death metal bands, this accusation only represents a half-truth