{"status": "success", "json_a": {"prompt": "Genre: Mandopop Ballad; BPM: 140; Key: E Major; Rhythm: Slow, half-time 4/4 ballad groove with a strong backbeat on snare and flowing legato feel from piano and strings; Instruments: Resonant grand piano (arpeggios and block chords), lyrical cello (counter-melodies), clean electric bass, acoustic guitar (subtle texture), acoustic drum kit (crisp snare, soft kick), distorted electric guitar (sustained notes in climax); Vocals: Female, clear and emotive mid-range, shifting from breathy and conversational in verses to powerful belting in choruses, with natural reverb; Mood: Staring out a rain-streaked window, reminiscing about a relationship's quiet and tumultuous moments.; Production: Wide, spacious studio mix with vocals and piano centered. Dynamic build from intimate verses to a full, powerful chorus. Uses plate reverb for emotional space.; Structure: Intro, Verse, Chorus, Bridge, Chorus, Outro; Language: Chinese; Highlight: The emotionally powerful and belted vocal performance in the chorus.", "lyrics": "[intro]\n(Chords: C#m - A - E - B)\n(Inst: Lyrical cello melody playing a melancholic theme over a sparse, arpeggiated grand piano.)\n(Mix: Intimate and spacious, setting a reflective tone with heavy room reverb on the cello.)\n\n[verse]\n(Chords: C#m - G#m - A - E - F#m - C#m - A - B)\n(Vocal-Perf: Conversational, breathy, mezzo-piano, gentle phrasing, narrative focus.)\n(Inst: Vocals and piano dominate. A simple, clean bass line enters, providing a subtle pulse. Acoustic guitar strums lightly in the background.)\n(Melody-Rhythm: Flowing and speech-like, following the lyrical cadence.)\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: Piano chords build slightly in volume, a single cymbal swell leads into the chorus.)\n[chorus]\n(Chords: E - B/D# - C#m - G#m - A - E - F#m - B)\n(Vocal-Perf: Dynamic lift to mezzo-forte, powerful and emotionally resonant chest voice, controlled belting on the hook.)\n(Inst: Full band enters. A solid, half-time drum beat with a crisp snare on beat 3. Cello plays long, supportive notes. Piano shifts to strong block chords.)\n(Melody-Contour: The melody ascends dramatically on the opening line, creating the song's signature emotional peak.)\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\n(Transition: The final chord of the chorus rings out, and the energy immediately drops for the bridge.)\n[bridge]\n(Chords: A - B - G#m - C#m - F#m - G#m - A - B)\n(Vocal-Perf: Intensity builds again from introspection to desperation. The delivery becomes more urgent.)\n(Inst: A clean electric guitar plays arpeggiated fills. Drums become slightly more complex with subtle hi-hat patterns. The harmony creates tension.)\n(Mix: The stereo field widens as more instrumental layers are introduced.)\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: A powerful drum fill and a sustained vocal note launch into the final chorus.)\n[chorus]\n(Chords: E - B/D# - C#m - G#m - A - E - F#m - B)\n(Vocal-Perf: Full forte, peak emotional delivery, slight vocal fry and strain for authenticity. Ad-libbed harmonies may appear.)\n(Inst: All instruments at maximum energy. Distorted electric guitar enters, playing long, soaring notes. Crash cymbals accent the downbeats.)\n(Mix: The mix is dense and powerful, creating a climactic wall of sound. Vocals are right at the front, driving the emotion.)\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\n[outro]\n(Chords: A - Am - E)\n(Vocal-Perf: Returns to a soft, breathy whisper. Delivery is resigned and sorrowful.)\n(Inst: The full band cuts out, leaving only a sparse piano playing the final chords. A final, lingering cello note fades out.)\n(Structure: Decelerando and fade to silence.)\n太爱了\n所以我\n没有哭\n没有说"}, "time": 37.0, "attempt": 1, "prompt_ok": true, "lyrics_ok": true, "api": "official", "provider": "google", "model": "gemini-2.5-pro", "usage": {"prompt_tokens": 12171, "completion_tokens": 1126, "total_tokens": 16195}}