<ATROPOS-FRAME+改> <!-- created: 2026-07-11 --> <!-- author: KENT OGUSHI&J --> <!-- alias: acoustic-guitar-solo-only --> //<HEADER> //【Scene: solo steel-string acoustic guitar instrumental; guitar solo owns the whole song】 //【Mood: raw / intimate / sharp / emotional / technical / acoustic-front】 //【Key: G Dorian center with smooth Ebmaj7-Ebm6 borrowed shade】 //【Tempo: 112 BPM】 //【TimeSignature: 4/4】 //【Instrumentation: one steel-string acoustic guitar only】 //【Structure: ImpactTheme–SoloA–SoloB–BorrowedShade–FastRun–FinalCadenza–Outro】 //</HEADER> //<CONTROL> //【Dynamics: acoustic melody front, clear pick attack, body resonance present】 //【Articulation: strict note separation, chord-tone target landings, natural decay】 //【Texture: one guitar performance only, no double track, no hidden layer】 //【Balance: lead line above chord fragments, low-string hints below melody】 //【Processing: close acoustic image, minimal ambience, no singing, no human voice】 //</CONTROL> //<MODULE> //【HarmonyEngine: G Dorian center with modal interchange, dominant color and borrowed shade】 //【OrchestrationStyle: solo acoustic guitar; melody, chord fragments and bass hints by one guitarist】 //【RhythmicConcept: pulsed 4/4 solo phrasing; fast runs answer memorable motifs】 //【SoloConcept: guitar solo first; theme, answer, development, long run, final cadenza】 //【HumanPlayableConstraint: Strict human-performable acoustic techniques only】 //【FRET_LIMIT: 1–20】 //【HIGH_NOTE_LIMIT: 20th fret】 //【VOCAL_RANGE_LIMIT: NONE】 //【InstrumentIdentityLock: Strict — every audible note must come from the same steel-string acoustic guitar】 //【UNSPECIFIED_INSTRUMENTS: ABSOLUTELY FORBIDDEN】 //【UNDECLARED_SOUND_SOURCES: ABSOLUTELY FORBIDDEN】 //</MODULE> //<CHORDS> //【ImpactTheme: | Gm9 | C13 | Fmaj9 | Bbmaj7#11 |】 //【SoloA: | Gm9 | D7alt | Gm9 | C13 |】 //【SoloB: | Ebmaj7 | Fadd9 | Gm9 | Dm7 |】 //【BorrowedShade: | Ebmaj7 | Ebm6 | Bb/D | Cm9 | D7alt |】 //【FastRun: | Gm9 | F/A | Bbmaj9 | D7alt |】 //【FinalCadenza: | Ebmaj7 | Fadd9 | Gm9 | Cm9 | D7sus4 | Gm9 |】 //【Outro: | Gm9 natural harmonic tail |】 //【DegreeMap: i9-IV13-bVIImaj9-bIIImaj7#11 / V7alt / bVImaj7-bvim6-bIII/3】 //</CHORDS> //<SCALES> //【PrimaryScale: G Dorian】 //【ColorOptions: G natural minor on Ebmaj7, G harmonic minor over D7alt, Bb major lift, Eb minor color on Ebm6】 //【ModalInterchange: Ebmaj7 to Ebm6 darkens smoothly before resolving through Bb/D and D7alt】 //【Modulation: brief Bb major lift inside the acoustic solo line】 //</SCALES> //<INSTRUMENT> //【Name: Steel-String Acoustic Guitar】 //【Role: Main Solo Guitar, complete acoustic guitar solo performance】 //【Tuning: E Standard (E-A-D-G-B-E)】 //【Range: open strings to 20th fret】 //【HIGH_NOTE_LIMIT: 20th fret】 //【Tone/Character: bright steel-string attack, woody body, dry close detail, singing treble】 //【SoloOwnershipRule: acoustic guitar enters beat one and carries every section alone】 //【GuitarOnlyRule: every audible note must come from this single acoustic guitar performance】 //【NoBackingSongRule: do not become background strumming; melody and solo phrasing stay main】 //【MelodyRule: chord-tone motif first, expressive target, then picked answer and landing】 //【PhraseRule: motif, slide or bend-release target, fast answer, short breath, next phrase】 //【NoNoodleRule: fast runs resolve to 3rd, 5th, 9th or altered tension】 //【SpeedRule: flatpicked 16th streams, short 32nd bursts, triplet pickups, cross-string answers】 //【FastRunRule: longest picked ascent over Gm9-F/A-Bbmaj9-D7alt】 //【ChordFragmentRule: partial grips support melody; no impossible full-chord lead stacks】 //【BassHintRule: brief root/fifth hints on strong beats only, never a separate bass layer】 //【BorrowedShadeRule: Ebmaj7 to Ebm6 darkens smoothly, then resolves through Bb/D and D7alt】 //【HarmonicRule: natural harmonics on accents, BorrowedShade color notes and Outro tail】 //【RightHandRule: flatpick dominant, alternate picking, economy picking, crosspicking, dynamic accents】 //【LeftHandRule: slides, bend-release, hammer/pull ornaments only as brief accents】 //【VoicingRule: 9, 13, maj9, maj7#11 and m6 colors as playable partial grips】 //【ClimaxRule: FinalCadenza climbs high, pauses on target, exits with natural harmonic sustain】 //【Technique: alternate picking, economy picking, crosspicking, hybrid-picked double-stop, slide, bend-release, natural harmonic, wide vibrato, muted rake accent】 //【HumanPlayableConstraint: Strict, one acoustic guitarist only】 //</INSTRUMENT> //<BAN> //【SINGING: ABSOLUTELY FORBIDDEN】 //【HUMAN_VOICE: ABSOLUTELY FORBIDDEN】 //【UNSPECIFIED_INSTRUMENTS: ABSOLUTELY FORBIDDEN】 //【UNDECLARED_SOUND_SOURCES: ABSOLUTELY FORBIDDEN】 //【HIDDEN_OVERDUBS: FORBIDDEN】 //【SECOND_GUITAR_LAYER: FORBIDDEN】 //</BAN> //<END> //</END> </ATROPOS-FRAME+改>