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Riff Tone

Mr. Knowitall

Primus

Guitarrock1990s

Original Gear

GuitarGibson Les Paul Standard (late 70s/early 80s, likely wine red finish)
AmpMarshall JCM800 2203 head with Marshall 4x12 cabinet (studio recording, 1990)
PickupsStock Gibson humbuckers (likely T-Top or early 490/498 set)

Amp Settings

gain6.5
bass6
mid7
treble7
reverb1
presence5.5

Effects & Signal Chain

No effects used for this tone

Notes

Studio recording for 'Frizzle Fry' (1989/1990). Larry LaLonde is widely documented using a late 70s/early 80s Gibson Les Paul Standard into a Marshall JCM800 for early Primus albums. No evidence of alternate guitars or amps for this song's riff section. No pedalboard evidence for this specific track; distortion is amp-based.

Tone Character(10)
tight and percussiveaggressive upper midrangefast attackarticulate note separationcompressed and punchyminimal ambiencedistinct humbucker bitefocused low endslight amp room reverbdynamic pick response

Difficulty

The riff requires tight, fast alternate picking with precise muting and syncopated rhythms, making it moderately challenging for intermediate players.

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Mr. Knowitall by Primus — Riff Tone Settings | ToneAdapt