Decisive Band · Hard Rock, Prog & Early Metal

Black Sabbath

Birmingham four-piece whose 1970 debut fixed tritone riffs, down-tuned guitar, and occult-tinged lyric as heavy metal’s separable identity from hard rock.

Black Sabbath in a 1970 promotional photograph
Warner Bros. Records press photoPublic domainOpen on Wikimedia →

Landmark

Black Sabbath · 1970

Tritone opening as metal creation citation.

Helped open

heavy-metal

Heaviness as interval, tempo, and lyric frame—not only volume.

Firsts stay on the band page—paired with story, not a separate encyclopedia.

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01 / 06

A riff catalog, not mascara hard rock

Sabbath matter because heaviness is arrangement and interval choice—tritone, slow tempo, bleak lyric—not only louder amps. Metal gets a separable grammar from blues-based hard rock here.

02 / 06

Ozzy years vs Dio years

Ozzy-era peak is the birth citation. Dio’s Heaven and Hell reinvents vocal and fantasy lyric without erasing the riff engine. Same logo, different singer—why lineup versions are first-class objects.

03 / 06

Black Sabbath: tritone opening

Rain/bell intro into Iommi’s tritone figure; Ozzy’s vocal enters over the dread tempo. Often cited as metal’s creation-scene track. Atmosphere is tempo + interval, not stage fog metaphor.

04 / 06

Paranoid: short, fast, radio-fit darkness

Faster riff, tighter runtime, still heavy. Proof early metal can fit AM/FM without losing the down-tuned grind. Teaching contrast to the title track’s crawl.

05 / 06

Downstream: doom, NWOBHM, grunge sludge

Doom keeps the slow dread; NWOBHM keeps riff primacy at higher speed; Seattle grunge cites the sludge more than the occult. Black sun as catalog influence, not astrology.

06 / 06

They called it heavy; catalogs called it metal

Early press language lags the genre label. Useful quotes describe volume, gloom, and audience shock—genre name arrives in retrospect. Track the naming lag as history.

A riff catalog, not mascara hard rock

Lineup versions

Named peak casts—not every drummer swap. Hub people link out when they walk between bands.

  • Ozzy era (founding)

    Peak

    1968–1979

    Founding Ozzy-era peak lineup.

    • Ozzy OsbourneVocals
    • Tony IommiGuitar
    • Geezer ButlerBass
    • Bill WardDrums

  • Dio era

    1979–1982

    Same band name, Dio vocal engine—versions matter.

    • Ronnie James DioVocals
    • Tony IommiGuitar
    • Geezer ButlerBass
    • Bill Ward / Vinny AppiceDrums

Quote wall

Interview quote wall (structure ready for Whisper imports). Short cites—no full copyrighted video embeds.

  • “We knew we had something different.”

    — Tony Iommi, 2000 · Interview excerpt

Composition table

band · year · track · members_on_stage · genre_tags

YearTrackMembers on stageGenre tags
1970Black SabbathTritone riff + slow tempo as early metal scene.Ozzy Osbourne, Tony Iommi, Geezer Butler, Bill Ward
heavy-metalhard-rock
1970ParanoidShort/fast heavy single that still fits radio.Ozzy Osbourne, Tony Iommi, Geezer Butler, Bill Ward
heavy-metal

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