Roland GR-300 G-808 Guitar Synthesizer - Pat Metheny Tone 2 - YouTube
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A 1980's Roland GR-300 MIDI Polyphonic guitar synthesizer
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Roland GR-300 Vintage Analog Guitar Synthesizer - Pat Metheny - King Crimson
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Roland GR-300 Polyphonic Guitar Synthesizer 1988 – Chicago Music Exchange
MATRIXSYNTH: Roland GR-300 Polyphonic Guitar Synthesizer SN 284010
Roland GR-300 Polyphonic Guitar Synthesizer with G-808 Solid Body Electric Guitar (1982) | RetroFret
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ROLAND GR-300 GUITAR SYNTH WITH GR-808 GUITAR 1981 | Reverb
