{
  "prompt": "Genre: C-Pop / Zen Fusion; BPM: 155; Key: A minor; Rhythm: Half-time pop groove, kick on 1, clap on 3; melodic parts float slightly behind beat.; Instruments: Sampled guzheng, clear attack; breathy dizi/xiao flute; warm evolving synth pad; soft kick, subtle clap; lush, sampled strings; deep sub-bass synth.; Vocals: Female; airy, soft mezzo-soprano; breathy delivery with minimal vibrato; prominent reverb and delay.; Melody: Pentatonic, descending arches; phrases resolve on tonic; lyrical.; Mood: Watching ink dissolve in a clear bowl of water, forming slow swirling clouds.; Production: High-fidelity, smooth, polished; vocals centered in a spacious mix; transparent compression.; Language: Chinese; Highlight: The downbeat of the first chorus, where strings swell and the beat solidifies under the vocal, opening the song's emotional core.",
  "lyrics": "[intro]\n(Hook-DNA: Rhythm: dotted-eighth + sixteenth + quarter-note; anchors around the 5th; motif repeats with slight variation, establishing contemplative mood.)\n(Inst: Guzheng lead, gentle piano chords, warm synth pad, subtle water/wind SFX.)\n(Mix: Wide stereo field; vocals centered; instruments panned for space; guzheng slightly off-center; smooth high-end, clean low-end; lush hall reverb on all elements; gentle bus compression.)\n\n(Transition: Fade in of soft kick and percussion.)\n[verse]\n(Melody-Contour: Descending stepwise motion, narrow range; phrases end on tonic; relaxed, speech-like rhythm.)\n(Vocal-Perf: Soft, breathy chest voice; airy delivery; minimal dynamics, mezzo-piano.)\n(Inst: Guzheng provides fills, pads and strings sustain, bass enters, subtle electronic beat.)\n(Chords: Am - G - C - F - C - Dm - Am - E)\n(Mix: Beat elements centered low in mix.)\n墨已入水渡一池青花\n揽五分红霞采竹回家\n悠悠风来 埋一地桑麻\n一身袈裟 把相思放下\n十里桃花待嫁的年华\n凤冠的珍珠 挽进头发\n檀香拂过玉镯弄轻纱\n空留一盏 芽色的清茶\n\n(Transition: Strings swell slightly, subtle shaker adds texture.)\n[chorus]\n(Melody-Contour: Ascending leap to start phrase, higher tessitura; stepwise descent to resolve; sustained notes.)\n(Melody-Harmonic-Tension: Melody holds the 3rd over the IV chord (F), creating a stable consonance; resolves predictably to root on the final tonic chord (Am), giving a sense of release.)\n(Hook-Recall: Guzheng plays a simplified version of the intro's Hook-DNA motif as a counter-melody.)\n(Vocal-Perf: Slightly more open tone, mezzo-forte; controlled head voice on higher notes; sustained notes are clean.)\n(Inst: Full arrangement; strings more prominent, beat is clearer, Dizi flute doubles vocal melody.)\n(Chords: F - G - C - Am - F - G - Em - Am)\n倘若我心中的山水\n你眼中都看到\n我便一步一莲花祈祷\n怎知那浮生一片草\n岁月催人老\n风月花鸟 一笑尘缘了\n\n(Transition: Beat drops out, leaving only guzheng arpeggio and a sustained string note.)\n[interlude]\n(Melody-Contour: Guzheng and Dizi flute lead; call-and-response phrases; contour mirrors the verse melody.)\n(Inst: Guzheng and Dizi flute melody, pads, strings, light percussion. No vocals.)\n(Chords: Am - G - C - F - Am - E - Am)\n\n(Transition: Dizi holds a long note, strings swell to bring back energy for the chorus.)\n[chorus]\n(Melody-Contour: Ascending leap to start phrase, higher tessitura; stepwise descent to resolve; sustained notes.)\n(Melody-Harmonic-Tension: Melody holds the 3rd over the IV chord (F), creating a stable consonance; resolves predictably to root on the final tonic chord (Am), giving a sense of release.)\n(Hook-Recall: Guzheng plays a simplified version of the intro's Hook-DNA motif as a counter-melody.)\n(Vocal-Perf: Slightly more breath and emotion than first chorus, but maintains control; dynamic builds slightly.)\n(Inst: Dizi flute becomes more prominent with fills; strings swell more.)\n(Chords: F - G - C - Am - F - G - Em - Am)\n倘若我心中的山水\n你眼中都看到\n我便一步一莲花祈祷\n怎知那浮生一片草\n岁月催人老\n风月花鸟 一笑尘缘了\n\n(Transition: Vocal echo on \"了\", beat and most instruments fade out.)\n[outro]\n(Melody-Contour: Fragmented phrases from chorus; descending line; slowing rhythm, ritardando.)\n(Vocal-Perf: Fades to a whisper; heavy reverb and delay tails.)\n(Inst: Fading instruments; only guzheng, pads, and piano remain at the very end.)\n(Chords: F - G - Em - Am)\n怎知那浮生一片草 岁月催人老\n风月花鸟 一笑尘缘了",
  "song_id": "01_半壶纱_20260601",
  "_meta": {
    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
      "prompt_tokens": 10866,
      "completion_tokens": 1267,
      "total_tokens": 16056
    },
    "generated_at": "2026-06-01T14:39:51.262960+08:00"
  }
}