Riff Tone
Under a Glass Moon (Instrumental 1989-1991)
Dream Theater
Guitarmetal1990s
Original Gear
GuitarIbanez JPM100
AmpMesa/Boogie Mark IIC+
PickupsDiMarzio Air Norton (neck), DiMarzio Steve's Special (bridge) humbuckers
Amp Settings
gain7.5
bass6
mid4.5
treble7
reverb1.5
presence6.5
Effects & Signal Chain
overdriveIbanez Ibanez TS9 Tube Screamer (Keeley mod likely, but original TS9 for era)
phaserBoss Boss PH-3 Phase Shifter (or similar phaser, model not confirmed for 1991)
flangerMXR MXR Flanger (likely MXR M117, model not confirmed for 1991)
compressionUnknown Compressor pedal (model unknown, likely rack or pedal)
Notes
Studio recording, 1991. Gear confirmed for Images and Words era; Petrucci used the Ibanez JPM100 with DiMarzio pickups and Mesa/Boogie Mark IIC+ for rhythm/riff sections. No evidence of live/touring gear or later signature models for this recording.
Tone Character(10)
tight and percussivescooped midsaggressive palm mutingarticulate pick attackcrystal-clear note separationhigh-gain saturationfast, precise riffingmodern progressive metal crunchcontrolled low endcutting treble presence
Difficulty
The riff section requires advanced alternate picking, precise palm muting, and complex rhythmic accuracy at a fast tempo, making it highly challenging for most players.
Sources
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Create Free AccountGuitarmetal1990s
Original Gear
GuitarIbanez JPM100
AmpMesa/Boogie Mark IIC+
PickupsDiMarzio Air Norton (neck), DiMarzio Steve's Special (bridge) humbuckers
Amp Settings
gain7.5
bass6
mid4.5
treble7
reverb1.5
presence6.5
Effects & Signal Chain
overdriveIbanez Ibanez TS9 Tube Screamer (Keeley mod likely, but original TS9 for era)
phaserBoss Boss PH-3 Phase Shifter (or similar phaser, model not confirmed for 1991)
flangerMXR MXR Flanger (likely MXR M117, model not confirmed for 1991)
compressionUnknown Compressor pedal (model unknown, likely rack or pedal)
Notes
Studio recording, 1991. Gear confirmed for Images and Words era; Petrucci used the Ibanez JPM100 with DiMarzio pickups and Mesa/Boogie Mark IIC+ for rhythm/riff sections. No evidence of live/touring gear or later signature models for this recording.
Tone Character(10)
tight and percussivescooped midsaggressive palm mutingarticulate pick attackcrystal-clear note separationhigh-gain saturationfast, precise riffingmodern progressive metal crunchcontrolled low endcutting treble presence
Difficulty
The riff section requires advanced alternate picking, precise palm muting, and complex rhythmic accuracy at a fast tempo, making it highly challenging for most players.
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