{
  "prompt": "Genre: Mandopop / Ballad; BPM: 140; Key: Eb Major; Rhythm: Half-time backbeat (kick 1, snare 3), straight 8th-note hi-hats; precise, on-the-grid feel; Instruments: Close-mic'd acoustic guitar; clean single-coil e-guitar; round, clean e-bass; tight, dry drum kit; lush, wide string section; Vocals: Male baritone, breathy conversational verses, clear open chorus; controlled, minimal vibrato; clean, present, plate reverb; Melody: Verse: conversational, narrow range. Chorus: wide-ranging, ascending arch; long legato phrasing; Mood: Sitting alone in a dusty attic, holding an old Walkman, the faint smell of rain outside the window; Production: Hi-fi clarity, analogue warmth; wide stereo image, vocal-centric mix; smooth transparent compression; Language: Mandarin; Highlight: The downbeat of the first chorus, where the full drum kit and lush string orchestra enter simultaneously, creating a sudden cinematic lift",
  "lyrics": "[intro]\n(Hook-DNA: quarter-eighth-eighth arpeggio pattern on beats 1-2, rest on 3-4; anchors on the tonic; repeats twice, third statement varies rhythmically)\n(Inst: Fingerpicked steel-string acoustic guitar, close-mic'd, slight finger noise; ambient synth pad swells)\n(Chords: Eb - Ab - Eb - Bb/D - Cm - Ab - Eb/Bb - Bb - Eb)\n(Mix: Vocal-centric, wide stereo field. Hi-fi clarity with analogue warmth. Drums dry and centered. Bass clean and centered. Guitars panned slightly. Strings create wide backdrop. Smooth plate reverb on vocals and snare.)\n\n[verse]\n(Melody-Contour: Narrow range, stepwise motion; phrases land on tonic; speech-rhythm, slightly behind beat)\n(Transition: Synth pad swell holds over into verse.)\n(Inst: Acoustic guitar continues, clean electric bass enters playing root notes, minimal kick drum pattern)\n(Vocal-Perf: Breathy, soft chest voice; intimate and conversational; mezzo-piano)\n(Chords: Eb - Ab - Eb - Bb/D - Cm - Ab - Eb/Bb - Bb - Eb)\n(Mix: Bass and kick added to center, maintaining intimate space)\n爱像是一场小雨淅沥沥淅沥沥\n滴入我回忆\n爱又像一场旅行走停停走停停\n忽然遇见你\n停下了足迹\n\n[pre-chorus]\n(Melody-Contour: Gentle ascent in pitch and dynamics; builds tension towards chorus; phrases end on 5th)\n(Transition: Full drum kit fill for one beat leading into section.)\n(Inst: Full drum kit enters with a simple backbeat; bass becomes more active with passing notes)\n(Vocal-Perf: Dynamic builds from mezzo-piano to mezzo-forte; more direct tone, less breathy)\n(Chords: Ab - Eb/G - Fm - Bb)\n是否还是不太喜欢吃香菜\n到现在都没改\n那双原来最喜欢的匡威鞋带\n现在却解不开\n\n[chorus]\n(Hook-Recall: The main vocal melody's rhythmic phrasing echoes the intro guitar's long-short-short pattern.)\n(Melody-Contour: Wide-ranging, ascending arch, peaks mid-phrase; long legato phrasing; resolves on tonic at phrase end)\n(Melody-Harmonic-Tension: Melody holds the 9th over the initial Eb chord, creating a sweet tension before resolving down; lands on the major 7th over the Ab chord to lead forward.)\n(Transition: Drum fill and subtle string swell rise into the chorus downbeat.)\n(Inst: Lush, wide string section enters with sustained chords and countermelodies; acoustic guitar switches to strumming)\n(Vocal-Perf: Open, clear chest voice; mezzo-forte to forte; layered backing vocals on key phrases)\n(Chords: Eb - Gm - Ab - Eb/G - Cm - Fm - Bb - Eb)\n(Mix: Stereo image widens significantly with strings; energy lifts)\n那张磁带一再一再它又再一次的卡带\n却还会再一遍一遍一遍又一遍听下来\n昨天的爱 已回不来\n却依然在心里徘徊\n却依然在心底徘徊\n\n[bridge]\n(Melody-Contour: Declamatory, speech-like rhythm; phrases start low and rise sharply; mostly syllabic)\n(Melody-Harmonic-Tension: Melody emphasizes the #4 over the tonic chord, creating a Lydian feel and a sense of fantasy, resolving upwards to the 5th.)\n(Transition: Final chord holds, strings sustain, drums drop out leaving a simple fill.)\n(Inst: Band drops back to bass, drums, and a clean electric guitar melody; strings play soft pizzicato)\n(Vocal-Perf: Rhythmic and spoken-like delivery; builds intensity)\n(Chords: Abmaj7 - Gm7 - Fm7 - Bb11)\n(Mix: Mix narrows, becomes more focused and dry)\n凶手和恋人都喜欢事后回现场\n看一看自己从前到底有多疯狂\n回忆里充满着罗曼蒂克的幻想\n那张磁带里藏着过往\n播放了就会回到现场\n\n[chorus]\n(Hook-Recall: The main vocal melody's rhythmic phrasing echoes the intro guitar's long-short-short pattern.)\n(Melody-Contour: Wide-ranging, ascending arch, peaks mid-phrase; long legato phrasing; resolves on tonic at phrase end)\n(Melody-Harmonic-Tension: Melody holds the 9th over the initial Eb chord, creating a sweet tension before resolving down; lands on the major 7th over the Ab chord to lead forward.)\n(Transition: Massive drum fill into final chorus after a held chord.)\n(Inst: All elements from first chorus are present; added electric guitar obbligato weaving around the vocal)\n(Vocal-Perf: Most powerful delivery; full forte; ad-libs in upper register; dense backing vocal harmonies)\n(Chords: Eb - Gm - Ab - Eb/G - Cm - Fm - Bb - Eb)\n(Mix: Widest and loudest point of the song)\n再一再它又再一次的卡带\n却还会再一遍一遍一遍又一遍听下来\n昨天的爱 已回不来\n却依然在心里徘徊\n却依然在心底徘徊\n\n[outro]\n(Melody-Contour: N/A - instrumental)\n(Transition: Decrescendo on the final chord, band fades out except for guitar.)\n(Inst: Fades out on the intro's acoustic guitar figure, joined by a solo violin theme; final sustained string chord)\n(Chords: Eb - Ab - Eb)\n(Mix: Gradual fade out, reverb tails become prominent as instruments disappear)",
  "song_id": "01_恋人_20260512",
  "_meta": {
    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
      "prompt_tokens": 12535,
      "completion_tokens": 1570,
      "total_tokens": 19093
    },
    "generated_at": "2026-05-12T23:08:05.497504+08:00"
  }
}