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

Psychedelic rock1966

Second genre

Black metal1982

Head to headPsychedelic rock vs Black metal
Psychedelic rock: heaviness 3, melody 8, speed 4. Black metal: heaviness 9, melody 4, speed 9.Heaviness3 / 9Melody8 / 4Speed4 / 9
Each corner is a ten-point rating. The further out, the higher.

The difference, in figures

Black metal is far heavier (+6), far faster (+5) and clearly less melodic (−4) than Psychedelic rock. It emerged in 1982, 16 years after Psychedelic rock in 1966. 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
Psychedelic rock3
Black metal9
+6
Speed
Psychedelic rock4
Black metal9
+5
Melody
Psychedelic rock8
Black metal4
−4

Psychedelic rock

1966 · San Francisco / London · 5 subgenres

Where it sits

RockPsychedelic rock

In short

Effects, sitar, feedback and songs that fall apart halfway through. The lab that produced prog, space rock and, indirectly, doom.

How it sounds

  • Studio effects: phasing, reversed tape, tape echo, extreme panning.
  • Instruments unusual for rock: sitar, theremin, mellotron, harpsichord.
  • Structures that come apart - a song can have three unrelated sections.

Key acts

  • Pink Floyd
  • Jefferson Airplane
  • The 13th Floor Elevators
  • Cream

Start here

The pickPink Floyd - Interstellar Overdrive. Ten minutes that explain half this tree.

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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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