Riff Tone

Ogre Battle (Live At The Hammersmith Odeon, London / 1975)

Queen

Guitarrock1970s

Original Gear

GuitarBrian May Red Special (original, handmade by Brian May and his father)

AmpVox AC30 (Normal channel, cranked, no reverb/tremolo circuits, live modded version)

PickupsBurns Tri-Sonic single coils (custom wired, series, with phase switching)

Amp Settings

gain6

bass6

mid7.5

treble8.5

reverb1

presence6.5

Effects & Signal Chain

boostDallas (or Fryer, depending on year) Dallas Rangemaster Treble Booster (or custom Fryer Treble Booster, era-dependent)

phaserUnknown Phaser pedal (likely Foxx Foot Phaser or Maestro PS-1, model not confirmed for this show)

Notes

Live performance, Hammersmith Odeon, London, 1975. Brian May's Red Special into a treble booster and then into a Vox AC30. No amp reverb or tremolo; amp modded for reliability. Used sixpence coin as pick.

Tone Character(10)

sharp and aggressive attacktight palm-muted chugsscreaming, harmonically rich tonepercussive, metallic edgebright, cutting top endfull-bodied midrangedistinctive, saturated overdrivedynamic response to pickinghigh output, compressed sustainslightly nasal, treble-forward character

Difficulty

The riff requires fast, tight alternate picking with palm muting at high speed, demanding stamina and precise timing. The aggressive attack and dynamic control are challenging to maintain throughout the riff.