{"status": "success", "json_a": {"prompt": "Genre: Mandopop / R&B Ballad; BPM: 124; Key: B major; Rhythm: Half-time pop-rock groove with a solid backbeat on 2 & 4. Steady 16th-note hi-hats provide drive.; Instruments: Grand Piano (foundational chords). Pop-rock Drum Kit (punchy kick, reverbed snare). Electric Bass (round, supportive). Electric Guitar (clean arpeggios, distorted lead). Strings (lush, soaring swells).; Vocals: Male. Clear, expressive tenor with a smooth transition to breathy falsetto. Uses emotional fry and controlled vibrato. Powerful chest voice in choruses.; Mood: Standing under a streetlight in the rain after they've driven away, the silence deafening.; Production: High-fidelity, radio-ready polish. Wide stereo image with lush reverbs. Vocals are upfront and clear. Smooth, transparent compression creates a dynamic yet controlled mix.; Language: Mandarin; Highlight: The wailing, sustained first note of the electric guitar solo erupting immediately after the second chorus, a wordless extension of the singer's frustration.", "lyrics": "[intro]\n(Chords: B - G#m - E - F#)\n(Mix: Piano and soft pads, wide reverb, creating a spacious atmosphere.)\n(Vocal-Perf: Breathy, gentle vocal ad-libs enter midway.)\n\n[verse]\n(Chords: B - F#sus4 - G#m - E)\n(Vocal-Perf: Soft, conversational chest voice, mezzo-piano dynamic.)\n(Inst: Piano provides chordal foundation. Clean electric guitar arpeggios enter.)\n(Transition: Subtle drum fill enters at the end.)\n看\n幻想中的行星\n平行与天际\n听\n你说过的话语\n是那么平静\n能记得我的好\n也能够忘掉我\n迟早\n我的心里仍屹立着座城堡\n\n[pre-chorus]\n(Chords: C#m - G#m - E - F#)\n(Vocal-Perf: Intensity builds slightly, a sense of questioning in the tone.)\n(Inst: Drums enter with a simple backbeat. Bass provides a solid low end.)\n(Transition: Cymbal swell and slight pause before the chorus.)\n不知为何\n无法感受得到\n你的不舍\n你是如何能够\n轻易做得到\n\n[chorus]\n(Chords: B - F# - G#m - E)\n(Vocal-Perf: Full chest voice, mezzo-forte, more sustained notes.)\n(Inst: Full band enters. Lush strings provide soaring counter-melodies.)\n(Mix: Wide and powerful, vocals sit on top.)\n如果说是真的爱我\n那为何都说不出口\n一大堆的所以然呢\n我脑海只剩为什么\n就让我\n放下所有回忆\n所有事情不那么清晰\n也许\n会好\n比较\n\n[bridge]\n(Chords: E - B/D# - C#m - F#)\n(Vocal-Perf: More reflective, dynamic drops slightly before building again.)\n(Inst: Arrangement thins out to piano, bass, and light drums, strings hold long pads.)\n(Transition: Drum fill and string swell build energy back into the final chorus.)\n说记得我的好\n也能够忘掉我\n迟早\n数不清这是第几次\n我也不知道\n\n[chorus]\n(Chords: B - F# - G#m - E)\n(Vocal-Perf: Most powerful delivery, ad-libs in the background. Peak emotional intensity.)\n(Inst: All elements at full force. Distorted guitar is more prominent.)\n(Mix: Maximum width and energy.)\n如果说是真的爱我\n那为何都说不出口\n一大堆的所以然呢\n我脑海只剩为什么\n就让我\n放下所有回忆\n所有事情不那么清晰\n也许\n会好\n比较\n\n[outro]\n(Chords: B - F# - G#m - E)\n(Inst: Fades out with the distorted lead guitar playing a melodic line over the rhythm section and sustained strings.)\n(Sound-Design: Long reverb tail on the final guitar note.)"}, "time": 46.5, "attempt": 2, "prompt_ok": true, "lyrics_ok": true, "api": "official", "provider": "google", "model": "gemini-2.5-pro", "usage": {"prompt_tokens": 11769, "completion_tokens": 989, "total_tokens": 16059}}