{"status": "success", "json_a": {"prompt": "Genre: Mandopop / Ballad; BPM: 140; Key: E major; Rhythm: Slow half-time feel around 70 BPM, built on a simple backbeat (snare on 2 and 4). Piano arpeggios and a 16th-note shaker provide rhythmic texture. Drums build from sparse to full.; Instruments: Clean grand piano (arpeggios/chords), subtle acoustic guitar (strumming), clean electric guitar (melodic fills), round electric bass (root notes), acoustic drum kit, lush string section (pads/swells in chorus).; Vocals: Female, clear and emotive mid-range with controlled breathiness and vibrato, mixed upfront with plate reverb.; Mood: A rainy afternoon, looking through old photos with a bittersweet smile.; Production: Polished, wide stereo mix. Starts intimate with piano/vocal and builds to a grand, full-band sound with orchestral layers. Vocals are central and clear.; Structure: Intro - Verse - Chorus - Verse - Bridge - Chorus - Outro; Language: Mandarin; Highlight: the dramatic dynamic swell from a sparse verse to a lush, string-filled chorus", "lyrics": "[intro]\n(Chords: E - C#m7 - A - Bsus4)\n(Inst: Clean electric guitar playing a simple, melancholic arpeggio; Sparse piano chords enter)\n(Mix: Narrow, intimate space; Minimal effects)\n(Energy: 1/10; Reflective opening)\n\n(Transition: Piano takes over the main melodic phrase leading into the verse)\n\n[verse]\n(Chords: E - G#m7 - C#m7 - A - E/G# - F#m7 - Bsus4 - B)\n(Inst: Piano-driven with arpeggios supporting the vocal; Bass enters subtly on root notes)\n(Mix: Vocals are dry and upfront, centered; A touch of room reverb adds space)\n(Vocal-Perf: Soft, conversational, breathy chest voice; Mezzo-piano dynamics)\n(Energy: 2/10; Narrative and questioning)\n我问为什么\n那女孩传简讯给我\n而你为什么\n不解释低着头沉默\n我该相信你很爱我\n不愿意敷衍我\n还是明白\n你已不想挽回什么\n\n(Transition: Drums enter with a simple kick on 1, snare on 2 & 4; A string pad swells underneath)\n\n[chorus]\n(Chords: A - E/G# - F#m7 - B - E - B/D# - C#m7 - A - B - E)\n(Inst: Full band enters; Lush string section provides harmonic foundation; Acoustic drums create a solid backbeat; Piano plays fuller chords)\n(Mix: Expands to a wide stereo field; Vocals have more reverb and soar above the instruments)\n(Vocal-Perf: Stronger, more sustained notes; Mezzo-forte delivery; Emotionally open)\n(Highlight: The dynamic lift is driven by the entrance of the full drum kit and the soaring string section, creating a powerful emotional release.)\n(Energy: 8/10; Cathartic and nostalgic)\n我怀念的是无话不说\n我怀念的是一起作梦\n我怀念的是争吵以后\n还是想要爱你的冲动\n我记得那年生日\n也记得那一首歌\n记得那片星空\n最紧的右手\n最暖的胸口\n谁记得\n谁忘了\n\n(Transition: Band dynamics drop back; Electric guitar echoes the intro melody)\n\n[verse 2]\n(Chords: E - G#m7 - C#m7 - A - E/G# - F#m7 - Bsus4 - B)\n(Inst: Rhythm section continues with a softer feel; Piano remains the core instrument)\n(Mix: Narrows slightly from the chorus; Vocals return to a more intimate sound)\n(Vocal-Perf: Returns to a narrative tone, but with more emotional weight and a hint of pain)\n(Energy: 4/10; Pensive and building tension)\n想问为什么\n我不再是你的快乐\n可是为什么\n却苦笑说我都懂了\n自尊常常将人拖着\n把爱都走曲折\n假装了解是怕\n真相太赤裸裸\n狼狈比失去难受\n\n(Transition: A strong crescendo on strings and a powerful drum fill lead into the bridge)\n\n[bridge]\n(Chords: A - B - G#m7 - C#m7 - F#m7 - B - E - B)\n(Inst: Strings become the lead melodic element; Drums are heavy on cymbals; Bass is more active)\n(Mix: Densely layered and cinematic; Vocals are fighting for space, creating tension)\n(Vocal-Perf: Most powerful and emotional delivery; Pushing the upper range with a slight strain; Forte)\n(Energy: 9/10; Emotional climax, a desperate plea)\n我怀念的是无言感动\n我怀念的是绝对炽热\n我怀念的是你很激动\n求我原谅抱得我都痛\n我记得你在背后\n也记得我颤抖着\n记得感觉汹涌\n最美的烟火\n最长的相拥\n谁爱得太自由\n谁过头太远了\n\n(Transition: A moment of held silence before the final chorus crashes in)\n\n[chorus]\n(Chords: A - E/G# - F#m7 - B - E - B/D# - C#m7 - A - B - E)\n(Inst: Full band at maximum power; String lines are more complex and soaring; Background vocal harmonies are added)\n(Mix: The widest and loudest point of the track; Everything is pushed forward)\n(Vocal-Perf: Full-power belting with ad-libs; The performance is raw and cathartic)\n(Energy: 10/10; Final emotional release)\n我怀念的是无话不说\n我怀念的是一起作梦\n我怀念的是争吵以后\n还是想要爱你的冲动\n我记得那年生日\n也记得那一首歌\n记得那片星空\n最紧的右手\n最暖的胸口\n谁忘了\n\n(Transition: All instruments cut out except for a final, sustained piano chord that slowly fades)\n\n[outro]\n(Chords: A - Am - Emaj7)\n(Inst: Only sparse, decaying piano chords remain)\n(Mix: Collapses to mono; Long, cold reverb tail on the vocals)\n(Vocal-Perf: Decrescendos to a fragile whisper; Resigned and heartbroken; Pianissimo)\n(Energy: 1/10; Fading to silence)\n我放手\n我让座\n假洒脱\n谁懂我多么不舍得\n太爱了\n所以我\n没有哭\n没有说\n"}, "time": 86.8, "attempt": 4, "prompt_ok": true, "lyrics_ok": true, "api": "official", "provider": "google", "model": "gemini-2.5-pro", "usage": {"prompt_tokens": 12072, "completion_tokens": 1593, "total_tokens": 18610}}