Rockpedia

Compare

Two genres, side by side. The ratings are editorial judgements on a ten-point scale, not measurements. Where they come out level, the difference is in the prose underneath them.

First genre

Math rock1988

Second genre

Black metal1982

Head to headMath rock vs Black metal
Math rock: heaviness 3, melody 6, speed 6. Black metal: heaviness 9, melody 4, speed 9.Heaviness3 / 9Melody6 / 4Speed6 / 9
Each corner is a ten-point rating. The further out, the higher.

The difference, in figures

Black metal is far heavier (+6), clearly faster (+3) and slightly less melodic (−2) than Math rock. It emerged in 1982, 6 years before Math rock in 1988. They sit on opposite branches of the tree and share no common ancestor.

Assembled from the stored ratings, dates and tree positions, not written.
Heaviness
Math rock3
Black metal9
+6
Speed
Math rock6
Black metal9
+3
Melody
Math rock6
Black metal4
−2

Math rock

1988 · USA / Japan

Where it sits

RockProgressive rockMath rock

In short

Odd meters and interlocking riffs assembled like a puzzle, usually without vocals. Post-rock's cerebral cousin.

How it sounds

  • Frequently changing odd meters, often with two guitars in different metres at once.
  • Clean or lightly overdriven guitars in alternate tunings, with tapping and harmonics.
  • Usually instrumental; where there are vocals, they are spoken or whispered.

Key acts

  • Slint
  • Don Caballero
  • Battles
  • Toe

Start here

The pickSlint - Spiderland. Six songs that changed independent rock.

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Black metal

1982 · Norway / Sweden · 10 subgenres

Where it sits

Heavy metalBlack metal

In short

Tremolo picking, blast beats, shrieked vocals and deliberately cold production. More an aesthetic than a technique - atmosphere matters more than clean sound.

How it sounds

  • Tremolo picking on open fifth voicings, with vocals in the high register.
  • Deliberately thin, cold production - the missing bass is an aesthetic choice, not an accident.
  • Fast blast beats, drums often mixed back, atmosphere placed above technique.

Key acts

  • Bathory
  • Mayhem
  • Darkthrone
  • Emperor

Start here

The pickDarkthrone - A Blaze in the Northern Sky. The production is intentional, not a flaw.

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