Solo Tone
Help On the Way / Slipknot! (Live At the Great American Music Hall, San Francisco, CA, August 13, 1975)
Grateful Dead
Guitarrock1970s
Original Gear
Guitar1973 Doug Irwin 'Wolf' custom guitar
AmpFender Twin Reverb (Silverface, late 1960s/early 1970s, heavily modified by Alembic)
PickupsDiMarzio Dual Sound humbuckers (coil-split for single-coil operation)
Amp Settings
gain4
bass4
mid6
treble7.5
reverb3
presence5.5
Effects & Signal Chain
modulationMusitronics Mu-Tron III Envelope Filter
phaserMXR MXR Phase 100 (or Phase 90, model uncertain)
delayUnknown Delay pedal (model unknown, likely tape echo or analog delay)
Notes
Live performance, August 13, 1975, Great American Music Hall. Jerry Garcia's 'Wolf' guitar with coil-split DiMarzio pickups into a heavily modified Fender Twin Reverb, typical of his mid-70s live rig. No evidence of additional amp heads or different guitars for the solo section.
Tone Character(10)
bright and articulatesinging sustaintouch-sensitive dynamicsslight edge-of-breakup crunchclear note separationupper-midrange focustight, controlled lowssparkling highsmild compressionresponsive to picking attack
Difficulty
The solo requires advanced phrasing, fast runs, and dynamic control of effects (envelope filter, phaser), making it challenging for most players.
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Create Free AccountGuitarrock1970s
Original Gear
Guitar1973 Doug Irwin 'Wolf' custom guitar
AmpFender Twin Reverb (Silverface, late 1960s/early 1970s, heavily modified by Alembic)
PickupsDiMarzio Dual Sound humbuckers (coil-split for single-coil operation)
Amp Settings
gain4
bass4
mid6
treble7.5
reverb3
presence5.5
Effects & Signal Chain
modulationMusitronics Mu-Tron III Envelope Filter
phaserMXR MXR Phase 100 (or Phase 90, model uncertain)
delayUnknown Delay pedal (model unknown, likely tape echo or analog delay)
Notes
Live performance, August 13, 1975, Great American Music Hall. Jerry Garcia's 'Wolf' guitar with coil-split DiMarzio pickups into a heavily modified Fender Twin Reverb, typical of his mid-70s live rig. No evidence of additional amp heads or different guitars for the solo section.
Tone Character(10)
bright and articulatesinging sustaintouch-sensitive dynamicsslight edge-of-breakup crunchclear note separationupper-midrange focustight, controlled lowssparkling highsmild compressionresponsive to picking attack
Difficulty
The solo requires advanced phrasing, fast runs, and dynamic control of effects (envelope filter, phaser), making it challenging for most players.
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