math rock/metal

n.

1. A term that encompasses most all modern progressive rock or metal that places emphasis on time signature modulation and meter as opposed to dynamics, melody, or harmony. "Math rock/metal" encompasses everything from the jazzier leanings of post rock act Slint, to the phrase swapping and odd meters of the Dillinger Escape Plan, and even the hemiola and polyrhythm experiments of bands like Meshuggah and Tool.

2. A term often falsely described as "intelligent music" by people who simply regurgitate what they are told and apparently have no idea how to count.
by Sommy July 09, 2004
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batt crack

like a butt crack ( u no butt) but with an a
the docter shoved a stick up the dogs batt crack
by sommy April 18, 2003
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Delray

n.

1. A neighborhood in Southwest Detroit, located south of the Ambassador bridge between Fort street and the Detroit River near Zug Island. Delray formerly was a suburb of Detroit until it was annexed by the city in 1905. Soon after, it became a major industrial center surrounded by residential homes. As time progressed, many industrial jobs began to leave Southeast Michigan, and as a result, so did many of the residents of Delray. It has collapsed into a heavily impoverished, polluted area which many Detroit leaders have hoped to completely industrialize. The air in Delray is rated the most polluted in the entire state of Michigan. Many houses in Delray are assessed at near only $3,000-5000.
Delray is a lonely neighborhood.
by Sommy July 10, 2004
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hemiola

n.

1. A phrase of music notated in one type of meter but accented as though it were being played in another meter. The classic hemiola is a phrase of triple meter (in this case 3/4) accented as though it were written in duple (2/4) meter. Hemiolas are often used to give the illusion of accelerando or ritardando.

2. Italian for "one and a half."
That hemiola made my head spin.
by Sommy July 09, 2004
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meshuggah

n.

1. A metal band from Sweden whose music features many dizzingly complex polyrhythms and hemiolas characteristic of free jazz and African drumming.

2. A metal group whose rhythmic concepts tend to go right over the heads of most metal fans, leading them to pigeonhole the band with such descriptions as "toughest band I've ever heard," thus raping them of the credibility they deserve.

adj.

1. Yiddish for "crazy."
by Sommy July 09, 2004
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polyrhythm

n.

1. A section of music featuring two independent pulses of different speeds playing against each other within the same time frame. For instance, a quarter note triplet in 4/4 meter is a simple polyrhythm in which 3 notes betas take the same time and space of 2 quarter notes of the 4/4 value. Not to be confused with hemiola.
Meshuggah is a band whose music features complex polyrhythms and hemiolas.
by Sommy July 09, 2004
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post rock

n.

1. A style of music derived (obviously) from rock with heavy emphasis on dynamic contrast. Many post rock acts use singular themes in a a song and build upon them harmonically and dynamically. Several post rock bands include Slint, Mogwai, Godspeed You Black Emperor!, Explosions in the Sky, and Tortoise.
I enjoy post rock music.
by Sommy July 09, 2004
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