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Steinberger GL2T/GR Vintage Roland Guitar Synthesizer Controller for Roland GR-300, GR-100, GR-700 and GM-70
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BOSS SY-300 Guitar Synthesizer vs. ROLAND GR-55 Guitar Synthesizer - Roland Australia
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SynthAxe - Wikipedia
1984 | The Synth Axe: Overview – Rob OReilly | Expressiv MIDI Guitars
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Doubling Guitar with Synthesizers - zZounds Music Blog
Brief guide to guitar synths - Audiofanzine
Casio DG – 20 Guitar Three Kinds, Synth Midi Controller DG20 Guitar : Musical Instruments - Amazon.co.jp
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The history of the guitar synth | MusicRadar
Boss's latest guitar has a built-in synth and Bluetooth pedal control | Engadget
Casio DG-20 Digital Guitar Synth Gray | Reverb
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NPD: 80s Roland Guitar Synth : r/guitarpedals
