{"status": "success", "json_a": {"prompt": "Genre: Mongolian folk pop, vast grassland atmosphere; BPM: 140; Key: A major pentatonic; Rhythm: Majestic 4/4 with flowing orchestral strings and a steady, gentle percussion pulse; Instruments: Layer 1 (Ethnic core): Grand orchestral strings (violins, cellos) playing sweeping pentatonic melodies, with subtle dizi flute accents. Layer 2 (Rhythm foundation): Timpani swells, a simple pop drum kit (soft kick, snare on 2&4), and a clean electric bass playing root notes. Layer 3 (Modern production): Lush, reverb-heavy mix with a background mixed choir adding depth to the chorus.; Vocals: high-pitched female folk vocals, soaring and expansive, chest-to-head mix; clear, bright soprano timbre with controlled vibrato on sustained notes; powerful and proud delivery.; Mood: Majestic and expansive praise for the beauty of the homeland, evoking the vast grasslands and endless sky; a feeling of joyful pride and freedom.; Production: Wide, cinematic mix with lush reverb creating a concert-hall space. Lead vocal is centered and prominent, with the orchestra providing a powerful, enveloping backdrop.; Structure: Intro, Verse, Chorus, Interlude, Verse, Chorus, Outro; Language: Mandarin; Highlight: the soaring female soprano vocal over a grand, sweeping orchestral string arrangement", "lyrics": "[intro]\n(Chords: A - D - E - A)\n(Inst: Full orchestra introduction. Sweeping violins play a majestic, pentatonic melody. Timpani swells create a grand, cinematic opening. Dizi flute adds a high, airy layer.)\n(Mix: Wide stereo image, lush hall reverb establishes the expansive mood.)\n(Melody-Dev: Main chorus hook introduced instrumentally by strings; sets a proud, heroic tone.)\n\n[verse]\n(Chords: A - D - A - E)\n(Vocal-Perf: Clear, gentle soprano delivery; precise enunciation with a storytelling feel; builds intensity towards the chorus.)\n(Inst: Arrangement thins slightly. Strings hold long, supportive notes. Soft drum kit enters with a steady beat. Bass plays simple root notes.)\n(Mix: Vocals centered and forward. Orchestra sits back to create space for the narrative.)\n美丽的草原我的家\n风吹绿草遍地花\n彩蝶纷飞百鸟儿唱\n一弯碧水映晚霞\n骏马好似彩云朵\n牛羊好似珍珠撒\n\n[chorus]\n(Chords: A - D - E - A - D - E - A)\n(Vocal-Perf: Voice soars to a higher register; powerful, open-throated delivery on sustained notes; conveys immense joy and pride.)\n(Melody-Contour: Lyrical arch, peaking on the word \"唱\" (chàng) with a memorable melodic leap.)\n(Inst: Full orchestra returns with force. Background choir enters, adding harmonic depth and an epic feel. Timpani and cymbals accent the downbeats.)\n(Mix: Grand and full. Choir and strings widen the stereo field. Vocals remain dominant and powerful.)\n(Transition: Timpani roll and string swell connect phrases.)\n啊，牧羊姑娘放声唱\n愉快的歌声满天涯\n牧羊姑娘放声唱\n愉快的歌声满天涯\n\n[interlude]\n(Chords: A - D - E - A)\n(Inst: Short instrumental break. The lead violin section reprises the chorus melody with passionate phrasing. The rest of the orchestra provides rhythmic support.)\n(Mix: Strings are brought to the forefront, showcasing the melodic theme.)\n(Transition: Strings hold a long note that fades as the drums re-enter for the next verse.)\n\n[verse]\n(Chords: A - D - A - E - A)\n(Vocal-Perf: Returns to a slightly softer, narrative tone, maintaining clarity and emotional connection to the lyrics.)\n(Inst: Arrangement mirrors the first verse. Dizi flute has slightly more presence with delicate trills.)\n(Mix: Dynamic contrast with the preceding chorus; creates a sense of peaceful reflection before the final climax.)\n美丽的草原我的家\n水清草美我爱她\n草原就像绿色的海\n毡包就像白莲花\n牧民描绘幸福景\n春光万里美如画\n\n[chorus]\n(Chords: A - D - E - A - D - E - A)\n(Vocal-Perf: The most powerful vocal performance of the song. Sustained high notes with full vibrato. A feeling of ultimate celebration.)\n(Melody-Contour: Peak emotional and melodic point of the song.)\n(Inst: The grandest and fullest orchestration. Choir is prominent. Percussion is more emphatic, with cymbal crashes adding to the climax.)\n(Mix: Epic, cinematic, and all-encompassing. Every element is at full energy.)\n啊，牧羊姑娘放声唱\n愉快的歌声满天涯\n牧羊姑娘放声唱\n愉快的歌声满天涯\n\n[outro]\n(Chords: A - D - A - E - A)\n(Inst: Orchestra plays a final, grand statement of the main theme, then slows down (ritardando). Ends on a long, sustained chord held by the strings.)\n(Sound-Design: A final, gentle cymbal shimmer fades out into a long reverb tail, leaving a sense of lingering majesty.)\n(Mix: Slow fade to silence.)"}, "time": 33.1, "attempt": 1, "prompt_ok": true, "lyrics_ok": true, "api": "official", "provider": "google", "model": "gemini-2.5-pro", "usage": {"prompt_tokens": 9727, "completion_tokens": 1231, "total_tokens": 13601}}