All Four At Once — Post-Prog-Metal

Part 3 — All Four At Once

FOUR THINGS A RIFF CAN BE, AT ONCE

All four in one piece, each owning a different section and a different definition of the note.

Do not blend them — rotate them, and hold two things constant so the rotation is legible. The constants are one tempo and one pitch centre: 168 BPM from first bar to last, and the open low string of a guitar tuned four semitones down acting as a drone under everything, so nothing modulates and nothing accelerates. Then let each genre own a section and change only what a note is made of. Thrash owns discrete attacks: downpicked eighth notes, pedal tone with a moving line above, countable. Death metal owns continuous texture: the same pitch sequence under tremolo at four times the note rate, every note the same length, so the rhythmic profile dissolves and only contour survives. Groove metal owns the gaps: the same material again with three attacks in four removed and a half-time snare, so placement carries what density used to. Nu metal owns the register: the same figure a third time, pared to two notes, with the bass mid-scooped and percussive and the kick carrying the bottom. The unifying trick is that all four sections are the same riff — the listener should recognise it every time and be unable to say why it keeps sounding like a different instrument. That is the whole thesis of the guide in one arrangement, and the reason it works is that pitch, tempo and tonal centre are held fixed while articulation, density and register are the only variables permitted to move.

Recipe

Ask about this section

• One tempo and one pitch centre: 168 BPM throughout, open low string drone, no modulation anywhere
• One riff, stated four ways. Write the pitch sequence first and never change it
• Thrash section: downpicked eighth notes, every stroke a downstroke, pedal tone with a moving line above
• Death section: same pitches, tremolo at four times the note rate, every note the same length, blast beat underneath
• Groove section: same pitches, three attacks in four removed, half-time snare, guitar locked to the kick
• Nu section: same pitches pared to two notes, bass mids cut and percussive, kick carrying the low end
• Transitions are one bar of complete silence — no fills, no ramps, nothing announcing the change
• Vocals change with the section: barked, growled, hardcore-barked, croon-and-shout, in that order
• Tuning stays put: four semitones down, extended range, with fast material kept off the lowest string
• The rule: articulation, density and register move. Pitch, tempo and tonal centre never do.