{
  "prompt": "Genre: Mandopop / EDM / Guofeng; BPM: 109; Key: A Major; Rhythm: Mid-tempo electronic beat; snare on 2&4; trap-influenced 16th-note hi-hats; on-the-grid.; Instruments: Sampled Pipa (sharp attack); Guzheng plucks; deep sub-bass; punchy 808-style kick & snare/clap; crisp hi-hats; arpeggiated synth pluck.; Vocals: Male and Female duet. Male: polished mid-range tenor, modern C-pop style. Female: high-register traditional opera style (Xiqiang), ethereal reverb.; Melody: Narrow range, stepwise; phrases land on tonic/dominant; on-the-beat.; Mood: Scrolling old phone photos while a historical drama plays silently on a screen.; Production: Polished, radio-ready; powerful low-end; wide stereo image; heavy master bus compression.; Language: Chinese; Highlight: The sudden entry of the high, reverb-soaked female opera vocal over the intro synth pad, before the main beat drops.",
  "lyrics": "[intro]\n(Mix: Polished, radio-ready fidelity. Punchy, centered low-end from sub-bass and kick. Clear mid-range for vocals and Pipa. Wide stereo field with synth arps and FX panned. Heavy master bus compression for loudness and glue. Female vocal has a vast, long-decay reverb.)\n(Inst: Swelling synth pad, solo Pipa sample playing main melodic motif, distant female opera vocal.)\n(Hook-DNA: Rhythmic pattern: dotted-eighth + sixteenth on beats 1 and 3; Pitch anchor: circles the 5th, resolves to tonic at phrase end; Repetition: motif repeats twice, second statement rises a step.)\n(Transition: Vocal reverb tail fades into a subtle synth riser, leading into the beat.)\n卿和了胡旋 君作汉宫琵琶语\n\n[verse]\n(Melody-Contour: Narrow range, stepwise motion; phrases land on chord tones; conversational rhythm.)\n(Vocal-Perf: Male vocal is relaxed, soft chest voice, mezzo-piano, very upfront and dry.)\n(Inst: Full electronic beat enters with punchy kick, layered snare/clap, and fast hi-hats. Sub-bass follows the chords. Pipa plays counter-melodies.)\n(Chords: F#m - D - A - E)\n(Transition: A brief pause in the drums before a snare fill pushes into the chorus.)\n东船与西舫 琴音袅袅于心上\n望姑娘模样 深情终究难放下\n美人迟了暮 任与绝世共赴\n\n[chorus]\n(Melody-Contour: Ascending arch in first half, reaching a higher register; stepwise descent in the second half to resolve.)\n(Melody-Harmonic-Tension: Melody primarily uses stable chord tones (root, 3rd, 5th), creating a strong, anthemic feeling. The final phrase lands definitively on the tonic for a powerful resolution.)\n(Hook-Recall: The lead Pipa melody doubles the vocal hook exactly, reinforcing the core rhythmic and melodic motif from the intro.)\n(Vocal-Perf: Male vocal becomes more powerful, open, and sustained; mezzo-forte delivery.)\n(Inst: Harmonic texture thickens with layered synth pads. Pipa is more prominent.)\n(Chords: F#m - D - A - E)\n(Mix: Stereo image widens with vocal harmonies and synth pads panned out.)\n(Transition: A reverse cymbal swell and low-pass filter sweep create a smooth fall in energy.)\n弹一首琵琶曲 世人争相思意\n坐高楼赏小曲 抚琴声想起你\n姑娘不胜酒力 哭的梨花带雨\n回首人间 笑谈你我初遇\n\n[verse]\n(Melody-Contour: Returns to the narrower range and conversational feel of the first verse.)\n(Vocal-Perf: Male vocal softens again, creating dynamic contrast with the chorus.)\n(Inst: The beat simplifies, with a less busy hi-hat pattern. Sub-bass is more prominent in the mix.)\n(Chords: F#m - D - A - E)\n(Transition: All instruments drop out for one beat, leaving a hanging synth note that pulls into the bridge.)\n人间琴悠扬 姑娘把谁记心上\n南来与北往 美人取情寄琵琶\n半掩面惆怅 恨只恨泪两行\n我提笔短叹 你抚琴一世风华\n\n[bridge]\n(Melody-Contour: Ascends to the highest register yet; phrases are longer and more sustained, building tension.)\n(Melody-Harmonic-Tension: Melody holds the 2nd over the tonic chord for a full beat in each phrase, creating a prominent sus2 tension that begs for the resolution of the chorus.)\n(Vocal-Perf: Delivery becomes more emotional and strained, with a crescendo in volume.)\n(Inst: A driving 16th-note hi-hat roll is added. A subtle riser synth builds in the background.)\n(Chords: D - E - F#m - A)\n(Mix: Reverb on the lead vocal increases, making it sound larger and more epic.)\n(Transition: A fast, powerful drum fill with cymbal crashes explodes into the final chorus.)\n弹一首琵琶曲 叹离愁争朝夕\n坐高楼赏烟雨 烟雨声宛如你\n思念一夜未停 史书一页未起\n回首人间 笑谈你我初遇\n\n[chorus]\n(Melody-Contour: Same powerful ascending arch as the first chorus, providing the emotional peak of the song.)\n(Melody-Harmonic-Tension: The stable, consonant melody provides a satisfying emotional payoff after the tension of the bridge.)\n(Hook-Recall: The Pipa hook is layered with a synth lead for maximum impact. Distant female opera ad-libs return.)\n(Vocal-Perf: Full-power, belted delivery. Passionate ad-libs in the background.)\n(Inst: All instrumental layers are present and at their most intense.)\n(Chords: F#m - D - A - E)\n(Mix: The mix is at its widest and loudest. Sidechain compression on pads from the kick is more pronounced.)\n(Transition: Abrupt cutoff of all instruments at the end of the final line, leaving only the reverb tail of the Pipa and vocal.)\n弹一首琵琶曲 世人争相思意\n坐高楼赏小曲 抚琴声想起你\n姑娘不胜酒力 哭的梨花带雨\n今生与你 若只如初遇\n\n[outro]\n(Inst: The electronic beat is gone. Only the solo Pipa melody remains, playing over a soft, fading synth pad.)\n(Mix: A rapid fade-out to silence.)",
  "song_id": "03_琵琶曲（东船与西舫）_20260716",
  "_meta": {
    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
      "prompt_tokens": 8064,
      "completion_tokens": 1590,
      "total_tokens": 15855
    },
    "generated_at": "2026-07-16T16:59:38.115836+08:00"
  }
}