The difference, by ear
Black metal is growled or screamed where Avant-prog / RIO is sung cleanly, and much faster: 160 to 280 bpm against 60 to 160. To hear the difference, play Henry Cow next to Bathory. Avant-prog / RIO comes from the rock side of the tree and black metal from the metal side, and Avant-prog / RIO came first, by four years.
In figures
Avant-prog / RIO
Where it sits
Rock › Progressive rock › Avant-prog / RIO
In short
Rock in Opposition: dissonance, chamber music and left-wing politics. Prog that refuses on principle to be pleasant.
How it sounds
- Systematic dissonance and harmony drawn from twentieth-century chamber music.
- Unusual acoustic instruments - bassoon, violin, harmonium - alongside rock.
- Rigorously composed structures, without improvisation or melodic concessions.
Key acts
- Henry Cow
- Univers Zero
- Art Bears
Start here
The pickUnivers Zero - Heresie. Closer to Bartók than to rock.
Full page →Black metal
Where it sits
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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