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What a metal song is made of
Distorted guitars (down-tuned, palm-muted), aggressive percussion (double bass kick, blast beats), power and technical virtuosity, verse-chorus with mandatory breakdown, guitar solo as centerpiece. Extreme dynamics: the quiet is genuinely quiet, the loud is devastating.
Metal song structure
Intro riff (identity statement) → Verse → Pre-Chorus → Chorus → Verse 2 → Pre-Chorus → Chorus → Breakdown (tempo shift, half-time or stop-start) → Guitar Solo → Bridge → Final Chorus → Outro. Breakdown and guitar solo are non-negotiable.
Line length: how many syllables
The fastest way to make a chorus feel like a chorus is to make it shorter than the verse. These are the syllable ranges SONIQ targets for metal:
- Verse lines: 8–16 syllables
- Pre-chorus lines: 4–8 syllables
- Chorus lines: 4–9 syllables
- Title / hook line: 3–6 syllables
- Bridge lines: 4–8 syllables
The rules of metal songwriting
- The riff must be the most memorable thing — write the riff description first, every element serves it
- Breakdown is mandatory: a tempo shift or rhythmic stop-start creates the headbanging moment — the crowd loses their mind here
- Guitar solo must be the emotional climax, not a technical warm-up — the best metal solos say what the lyrics cannot
- Dynamics: quiet sections must be genuinely quiet — contrast makes the heavy sections hit harder
- Metal lyrics: mythology, psychology, existential conflict. Vague evil sounds dated; specific dread sounds timeless
- Double bass drum pattern must be specified — it is the genre's rhythmic engine, everything rides on top of it
How the hit techniques play in metal
SONIQ writes every song with the Hit Craft method: 22 techniques that separate a hit from a draft. Here is how the first eleven sound in metal:
- Syncopation ratio: Verse vocals ride palm-muted chugs off-beat (~50%) in the breakdown; the clean chorus sits on the grid (~20%).
- Density contrast: Harsh verses dense and rhythmic → clean chorus melodic and sparse. Breakdown = 1-3 words max.
- Shadow rhythms: The breakdown's chug rhythm is the chorus rhythm half-time — plant it as a shouted verse line.
- Dopamine triggering: The breakdown call ('get up') held back until the last possible moment; a clean chorus after harsh verses is the reward.
- Rhythmic displacement: Breakdown shout re-triggered on different beats of the chug pattern.
- The woman in the room: Metal's version: the one person in the pit who needs this — the clean chorus speaks to her grief or rage directly. Not a love song; a lifeline.
- Back phrasing: Harsh vocals enter after the downbeat hit; clean vocals drag slightly over the riff.
- Micro-repetition: Gang shouts and repeated single words ('Burn! Burn!').
- Scene sequencing: Mythic or literal scenes: the hospital bed, the burning field, the cell — one per section.
- Repetition phrase types: Exact clean chorus + breakdown chant + incremental chorus + bookend.
- Juicy lines: One visceral line with a brutal specific verb per section.
Structure and sound in metal: Prosody: harsh syllables on the chug accents. Title as the clean chorus's first line. Call back a verse-1 image in the breakdown.
Metal substyles
- Classic Metal: Galloping syncopation in verses, anthem chorus on the grid; mythic scene sequencing.
- Nu-Metal: Rapped/whispered verse → screamed chorus (extreme density + dynamic contrast); the woman in the room is the wound the chorus admits.
- Metalcore: Clean chorus written to her grief after harsh verses; breakdown call is the displacement moment.
- Thrash: Fast, dense, on-the-grid shouts; gang micro-repetition; war-scene sequencing.
- Death Metal: Rhythmic growls locked to blast/chug patterns; shadow rhythms via riff-following vocal cadences; juicy = brutal imagery.
- Black Metal: Long held shrieks (sparse density) vs tremolo; scene sequencing through bleak landscapes.
- Doom Metal: Extreme back phrasing and very sparse density; dopamine via a slow crushing delay.
- Power Metal: Soaring anthem chorus on the grid, fantasy scene sequencing, gang choir reps.
- Symphonic Metal: Operatic held lines, choir call-and-response reps.
- Progressive Metal: Displacement is native — shift phrases across odd meters; shadow rhythms across sections.
- Djent: Vocal syncopation locked to polymetric chugs; displacement against the groove.
- Melodic Death Metal: Harsh verse / melodic chorus contrast; the chorus speaks to her directly.
- Screamo: Screamed confession density vs whispered bridge; the woman in the room is who the confession is about.
- Avant-Garde Metal: Surreal scene sequencing; displacement and odd micro-repetitions as texture.
- Lo-Fi Metal: Buried vocals — keep lines short and repeated; micro-repetition carries the hook.
Songs that show how it's done
- "Master of Puppets" by Metallica: Opening riff contains the entire emotional argument of the song
- "Paranoid" by Black Sabbath: Tempo as aggression — speed and distortion carry emotion before the first lyric
- "Duality" by Slipknot: Quiet verse / crushing chorus — contrast amplifies both vulnerability and power
Songs that broke the rules and won
- "Master of Puppets" — Metallica: 8.5 minutes with a complete mid-song tempo shift to a clean guitar ballad section — unexpected vulnerability in thrash metal. Consistently rated the greatest metal song ever — proved complexity and emotional range coexist with brutality.
- "War Pigs" — Black Sabbath: Anti-war political theme in a genre audiences expected to be about fantasy and escapism. Became an anti-war anthem, proved heavy music could carry serious political weight.
- "Chop Suey!" — System of a Down: No repeating chorus, shifting time signatures, vocals that alternate whisper and scream — broke every structural rule. Their commercial breakthrough — chaos organized around a strong riff is more powerful than verse-chorus conformity.
The second voice: Harmony guitar (twin lead) / galloping bass / riff counter-voice
Metal's definitive counter-melody is the twin harmony guitar — two guitars playing harmonized lead lines a third or fifth apart (Iron Maiden perfected this). The bass plays a galloping rhythmic counter-line against the guitar riff. In progressive metal, a second voice plays a genuine melodic counter against the main riff.
Where it goes: Verse: bass gallops counter to guitar riff / Chorus: second guitar harmony creates wall of sound / Solo: guitar solo is primary melody, rhythm guitar provides counter-riff / Bridge: twin guitar harmonies in full counterpoint
Ad-libs and vocables
yeah, go, ahhh, hey, used breakdown entrance, chorus aggression peak, outro collective — sparingly. Metal vocables must be used with restraint — impact over frequency. One well-placed "YEAH!" at a riff peak hits harder than scattered vocables throughout
Writing a metal song for Suno
"heavy metal, distorted guitar, double bass drums, palm muting, power chords, 140 BPM" for classic. "thrash metal, fast riff, aggressive, 180 BPM" for thrash. "doom metal, slow, dark, heavy, 60 BPM" for doom. "melodic metal, harmonic guitar leads, clean chorus vocals, 130 BPM" for melodic. Always specify BPM and subgenre — metal sub-genres are sonically distinct.
For a complete, ready-to-paste v6 style prompt under Suno's 800-character limit, use the free Suno prompt generator.
FAQ
What is the structure of a metal song?
Intro riff (identity statement) → Verse → Pre-Chorus → Chorus → Verse 2 → Pre-Chorus → Chorus → Breakdown (tempo shift, half-time or stop-start) → Guitar Solo → Bridge → Final Chorus → Outro. Breakdown and guitar solo are non-negotiable.
What tempo is metal music?
Most metal songs sit around 140 BPM. Distorted guitars (down-tuned, palm-muted), aggressive percussion (double bass kick, blast beats), power and technical virtuosity, verse-chorus with mandatory breakdown, guitar solo as centerpiece.
How long should metal lyric lines be?
Verse lines usually run 8–16 syllables, chorus lines 4–9, and the title or hook line 3–6. Keeping the chorus clearly shorter than the verse is what makes it easy to sing back.
What makes a good metal hook?
Exact clean chorus + breakdown chant + incremental chorus + bookend. One visceral line with a brutal specific verb per section.
Write it now: SONIQ writes complete metal songs with every section, a final chorus that turns one word, and a Suno v6 style prompt. Your first 3 songs are free.