{"status": "success", "json_a": {"prompt": "Genre: Mongolian folk pop, vast grassland atmosphere; BPM: 115; Key: C minor pentatonic; Rhythm: Slow 4/4 ballad feel with a steady, simple backbeat, walking pace; Instruments: High-pitched, breathy Dizi (ethnic flute) playing main pentatonic melody; clean sub-bass on root notes; simple electronic drum kit (kick, snare); lush, atmospheric synth pads for space; clean electric guitar arpeggios; Vocals: Female; high-pitched female folk vocals, soaring and expansive, chest-to-head mix, with a clear, direct, storytelling delivery; Mood: Melancholic longing (思乡) of a wanderer (游子) under the vast, silent Mongolian steppe at night; Production: Vocals and Dizi centered and upfront; wide stereo pads creating a vast soundscape; rhythm section clean and supportive, not overpowering; natural reverb; Structure: Intro - Verse - Chorus - Verse - Chorus - Outro; Language: Mandarin; Highlight: The haunting, pentatonic melody of the Dizi flute in the intro and interludes.", "lyrics": "[intro]\n(Chords: Cm - Ab - Eb - Gm)\n(Sound-Design: Sound of a slow-moving train on tracks, distant wind)\n(Inst: A breathy, melancholic Dizi flute enters, playing a simple, memorable pentatonic melody; wide, atmospheric synth pads swell gently underneath)\n(Mix: Dizi is the focus, centered and dry with a long reverb tail; pads are wide and distant, establishing a vast space)\n\n[verse]\n(Chords: Cm - Ab - Eb - Gm)\n(Transition: Train sounds fade back; Dizi melody resolves, leaving space for the vocal to enter)\n(Vocal-Perf: Gentle, clear, conversational tone; syllable-precise delivery; natural, unforced phrasing; storytelling feel)\n(Inst: A simple, slow electronic beat starts (kick on 1 & 3, snare on 2 & 4); clean sub-bass follows the root notes; sparse, clean electric guitar arpeggios add harmonic texture)\n(Mix: Vocal is centered, intimate, and upfront; the rhythm section sits comfortably behind the vocal, providing a steady pulse)\n穿过旷野的风你慢些走\n我用沉默告诉你我醉了酒\n\n[chorus]\n(Chords: Ab - Eb - G - Cm)\n(Transition: Synth pads swell in volume and width, lifting the energy for the chorus)\n(Vocal-Perf: Voice becomes stronger, more resonant in the chest; melody soars on the hook phrase; controlled vibrato on the final word of each line)\n(Melody-Contour: Lyrical arch, ascending to a memorable peak on “那么静”; phrases resolve clearly on pentatonic chord tones)\n(Inst: Dizi re-enters, playing a subtle counter-melody that echoes the vocal line; drum beat becomes slightly more defined with soft hi-hats)\n乌兰巴托的夜那么静那么静\n连风都听不到我听不到\n\n[verse]\n(Chords: Cm - Ab - Eb - Gm)\n(Transition: Dizi and pads recede, creating a dynamic drop back to the verse's intimacy)\n(Vocal-Perf: Returns to the gentle, storytelling delivery of the first verse, maintaining clarity and emotional directness)\n(Inst: Rhythm section continues its simple, steady groove; electric guitar plays slightly more melodic fills between vocal phrases)\n(Mix: Focus returns squarely to the close-mic'd vocal)\n飘向天边的云你慢些走\n我用奔跑告诉你我不回头\n\n[chorus]\n(Chords: Ab - Eb - G - Cm)\n(Transition: A smooth but powerful swell into the final chorus; all instrumental elements build together)\n(Vocal-Perf: Most powerful and emotional delivery of the song; sustained high notes are open and clear; conveys a sense of cathartic release and solitude)\n(Inst: Dizi plays the main hook melody in unison with the vocal for maximum impact; synth pads are at their fullest and widest; soft cymbal crashes on the downbeats for emphasis)\n(Mix: A full soundscape, but the vocal remains clearly on top of the mix, never overwhelmed)\n乌兰巴托的夜那么静那么静\n连云都不知道我不知道\n\n[outro]\n(Chords: Cm - Ab - Eb - Gm)\n(Transition: All vocals end, leaving the instruments to fade out slowly)\n(Vocal-Perf: Final line “唱歌的人不时掉眼泪” is delivered almost as a spoken whisper, full of emotion)\n(Inst: Dizi plays a final, fading phrase of the main melody; the beat and bass fade out, leaving only the synth pads)\n(Sound-Design: The sound of the train and wind gradually returns to the foreground as the music disappears, closing the narrative loop)\n唱歌的人不时掉眼泪"}, "time": 43.8, "attempt": 2, "prompt_ok": true, "lyrics_ok": true, "api": "official", "provider": "google", "model": "gemini-2.5-pro", "usage": {"prompt_tokens": 9120, "completion_tokens": 1093, "total_tokens": 13013}}