{"status": "success", "json_a": {"prompt": "Genre: Indie Pop / Lo-fi R&B Fusion; BPM: 162; Key: G# Major; Rhythm: A quirky, half-time shuffle groove at 81 BPM, built on a syncopated kick pattern and a highly melodic, weaving bassline creating a driving pocket syncopation.; Instruments: Round DI electric bass; Dry, tight live drums; Clean electric guitar; Warbly Rhodes piano.; Vocals: Male, airy and intimate head voice, shifts to earnest mid-range; lush background vocal stacks in harmony.; Mood: The feeling of sunlight through a dusty window on a Sunday morning, lying in bed, tracing patterns on your partner's arm, no plans for the day.; Production: High-Fidelity, Pristine Radio-Ready Mix with expensive analogue warmth and silky smooth high-end. Prominent melodic bass, focused stereo image with wide vocal harmonies.; Structure: Verse - Chorus - Verse - Chorus - Bridge - Outro; Language: Chinese; Highlight: The moment the lead vocal melody leaps up a perfect fourth to the root note of the IV chord on the first word of the chorus, creating an emotional lift and sense of arrival.", "lyrics": "[intro]\n(Mix: High-Fidelity, Pristine Radio-Ready Mix. Prominent but clean sub-bass from melodic bassline. Drums centered and dry. Wide stereo image from keys and layered guitars. Expensive analogue warmth with silky smooth high-end.)\n(Inst: Clean, chorus-effected electric guitar playing arpeggios. Round, melodic DI bassline enters. Simple, tight kick and snare pattern.)\n(Chords: G#maj7 - C#maj7 - G#maj7 - C#maj7)\n\n[verse]\n(Vocal-Perf: Intimate, close-mic'd breathy delivery in a lower, conversational register.)\n(Melody-Contour: Mostly stepwise motion with small intervals, creating a relaxed, meandering feel.)\n(Melody-Rhythm: Syncopated phrasing, starting just off the beat, leaving generous space between lines.)\n(Inst: Bass becomes more active and melodic. Warbly Rhodes pad provides harmonic bed. Drums maintain a steady, laid-back groove.)\n(Chords: G#maj7 - C#maj7 - G#maj7 - C#maj7)\nTime gets prettier with you I'm lifted\nSomething starts to take a hold of me\nSpell bound baby it's like magic when you kiss me\nI wanna be everything you need me to be\n\n[chorus]\n(Vocal-Perf: Shifts to a fuller, more earnest chest voice. Lush background vocal stacks enter, creating wide, tight harmonies.)\n(Hook-DNA: Rhythmic pattern is a steady stream of eighth notes on the main phrase; Pitch anchor is the dominant (5th) of the key, resolving on the final phrase; Repetition structure is A-A-B-B.)\n(Melody-Contour: Ascending P4 leap at the start of the phrase, followed by a gentle arch.)\n(Melody-Rhythm: Melodic phrases land squarely on the downbeats, creating a more driving feel than the verse.)\n(Melody-Harmonic-Tension: Melody emphasizes the major 7th over the tonic chord, creating sweet tension before resolving downwards. The final line hangs on the 2nd, creating an unresolved pull back into the verse.)\n(Mix: Wider stereo field from background vocals. Drum bus receives parallel compression for more punch.)\n(Chords: C#maj7 - G#maj7 - A#m7 - D#7)\nI wanna write you a love song baby\nI wanna write you a good one you can't stop singing to me\nI wanna write you a love song baby\nI wanna write you a good one you can't stop singing to me mmm\n\n[verse]\n(Vocal-Perf: Returns to the intimate, breathy delivery.)\n(Inst: Bassline becomes even more improvisational and conversational. Guitar adds more subtle fills between vocal lines.)\n(Chords: G#maj7 - C#maj7 - G#maj7 - C#maj7)\nTop down baby let the roof go missing\nWind whippin' your hair like it's a magic trick\nOhh and it's static happening on the radio station\nYour eyebrows down in contemplation\nI gotta make a habit of this baby\n\n[chorus]\n(Vocal-Perf: Full-voiced delivery again, with more passionate ad-libs in the spaces.)\n(Hook-DNA: Rhythmic pattern is a steady stream of eighth notes on the main phrase; Pitch anchor is the dominant (5th) of the key, resolving on the final phrase; Repetition structure is A-A-B-B.)\n(Melody-Contour: Ascending P4 leap at the start of the phrase, followed by a gentle arch.)\n(Melody-Rhythm: Melodic phrases land squarely on the downbeats, creating a more driving feel than the verse.)\n(Melody-Harmonic-Tension: Melody emphasizes the major 7th over the tonic chord, creating sweet tension before resolving downwards. The final line hangs on the 2nd, creating an unresolved pull back into the next section.)\n(Inst: Ride cymbal subtly added to the drum pattern for extra lift.)\n(Chords: C#maj7 - G#maj7 - A#m7 - D#7)\nI wanna write you a love song baby\nI wanna write you a good one you can't stop singing to me\nI wanna write you a love song baby\nI wanna write you a good one you can't stop singing to me mmm\n\n[bridge]\n(Vocal-Perf: Shifts to a more rhythmic, semi-spoken cadence, using airy falsetto.)\n(Melody-Harmonic-Tension: Melody holds a repeated note (the 5th) while chords shift underneath, creating tension that only resolves in the final bar, leading back to the tonic.)\n(Inst: Instrumentation strips back to a simpler kick/hat pattern and root-note bassline. Guitar is sparse.)\n(Mix: Mix narrows, vocal reverb becomes more apparent and longer.)\n(Chords: A#m7 - C#maj7 - G#maj7 - G#maj7)\nAnd if you need me you can hit me on the phone\nAnd I might pull up kinda swiftly\nJust make sure that you're alone\nAnd you can't stop won't stop don't stop it\nAnd you can't stop won't stop\n\n[outro]\n(Vocal-Perf: Improvised, fading ad-libs and vocal runs over the main hook.)\n(Inst: Full band jams on the chorus progression, with instruments dropping out one by one until only the melodic bass remains, then fades.)\n(Mix: Gradual fade-out with a subtle low-pass filter rolling off the high end.)\n(Chords: C#maj7 - G#maj7 - A#m7 - D#7)\nI wanna write you a love song baby\nI wanna write you a good one you can't stop singing to me\nI wanna write you a love song baby\nYou know that I do\nI wanna write you a good one you can't stop singing to me\nI wanna write you well I wanna write you well\nI wanna write you well I wanna write you well\nI wanna write you well I wanna write you well"}, "time": 43.8, "attempt": 1, "prompt_ok": true, "lyrics_ok": true, "api": "official", "provider": "google", "model": "gemini-2.5-pro", "usage": {"prompt_tokens": 9194, "completion_tokens": 1678, "total_tokens": 14077}}