{
  "prompt": "Genre: Modern Country Rock, Arena Ballad; BPM: 68; Key: G Major; Rhythm: Powerful, half-time arena rock ballad groove with a heavy snare on 2 and 4, anchored by a solid kick and bass foundation; Instruments: Roomy acoustic drums, clean foundational electric bass, arpeggiated clean electric guitar with delay, gritty blues-rock lead guitar for fills and melodies, wide-strummed acoustic guitar for texture; Vocals: Male vocalist with a gravelly, soulful country twang, delivering a performance that shifts from a restrained verse to powerful chest belting in the chorus, supported by lush background vocal stacks; Mood: Melancholy, lonely, longing, introspective, anthemic, heartfelt; Production: Wide, spacious stadium mix with prominent reverb on drums and vocals, guitars panned for a full stereo image, polished modern Nashville sound; Highlight: The massive stadium drop into a catchy, anthemic chorus with an infectious pop earworm melody.",
  "lyrics": "[intro]\n(Chords: G - D - Em - C)\n(Inst: Clean electric guitar plays a memorable, slightly melancholic arpeggiated riff with delay. Distant, overdriven guitar swell enters. Bass and drums are absent.)\n(Sound-Design: Atmospheric reverb on the guitar, creating a sense of space and loneliness.)\n(Vocal-Perf: No vocals.)\n\n[verse]\n(Chords: G - D - Em - C)\n(Inst: Full band enters. Drums play a simple, heavy backbeat. Bass locks with kick. Clean arpeggiated guitar continues. Strummed acoustic guitar adds warmth.)\n(Vocal-Perf: intimate close-mic feel, restrained, slightly breathy delivery with a country twang, story-telling cadence.)\nI can hear the lonely howling out my window\nI can feel the whiskey not doing a thing\n2 in the morning, TV's on and\nI've never felt so far from home\nI can hear the lonely howling out my window\n\n[chorus]\n(Chords: C - G - D - G - C - G - D)\n(Inst: Dynamics lift significantly. Drums are heavier, cymbals open up. Overdriven guitars play power chords. Lead guitar plays melodic fills. Bass drives harder.)\n(Vocal-Perf: powerful chest belting, raw emotional delivery, added grit and vibrato. Lush background vocal stacks enter on key phrases for emphasis.)\n(Hook-DNA: The main hook is a soaring, simple, highly memorable phrase that repeats over the powerful chord change, landing on strong beats. The core line is a brain-scratching melodic hook.)\n(Melody-Contour: Ascending melody that leaps up to a high, sustained note, creating an anthemic, desperate feeling before resolving down.)\nThe morning light can't come too soon\nLying here not next to you\nWide awake, I dream of you\nSleepless in a hotel room\n\n[interlude]\n(Chords: G - D - Em - C)\n(Inst: Bluesy, melodic electric guitar solo takes the lead. The rhythm section provides a solid, driving backdrop. Clean guitar arpeggios are less prominent.)\n(Sound-Design: Guitar solo has a warm overdrive, sustain, and a touch of delay/reverb, making it sing.)\n(Vocal-Perf: Ad-lib vocalizations (\"Whoa~\") with heavy reverb, placed in the background.)\nWhoa~\n\n[verse]\n(Chords: G - D - Em - C)\n(Inst: Similar to first verse, but with subtle lead guitar fills responding to the vocal phrases. Energy is slightly higher.)\n(Vocal-Perf: A bit more intensity than the first verse, building anticipation for the next chorus.)\nI wonder if you're staring at our bedroom ceiling\nLying right beside a glass of wine\nI wonder if you're tossing, turning\nWishing you were kissing me\nStaring at our bedroom ceiling\n\n[chorus]\n(Chords: C - G - D - G - C - G - D)\n(Inst: ↑ same as first chorus, but with even more energy. Cymbals are crashing more frequently. Lead guitar is more active with counter-melodies.)\n(Vocal-Perf: Full power, belting with maximum grit and emotion. Ad-libs are added towards the end. Background vocals are more prominent.)\n(Hook-DNA: ↑ same memorable phrase, delivered with heightened urgency.)\n(Melody-Contour: ↑ same ascending leap, but with more vocal strain for emotional impact.)\nThe morning light can't come too soon\nLying here not next to you\nWide awake, I dream of you\nSleepless in a hotel room\n\n[bridge]\n(Chords: Am - C - G - D)\n(Inst: Instrumentation becomes more sparse initially, focusing on whole notes from bass and guitars. Drums simplify, building back up with a snare roll into the outro.)\n(Vocal-Perf: Vocals become more reflective and slightly softer before swelling in volume and intensity towards the end.)\nAll four walls are painted blue\nSleepless in a hotel room\nA thousand miles past missing you\n\n[outro]\n(Chords: G - D - Em - C)\n(Inst: Main guitar riff from the intro returns. Band plays out, gradually fading. The overdriven guitar plays a final, soulful melodic phrase.)\n(Sound-Design: Long reverb tails on the final snare hit and guitar notes.)\n(Vocal-Perf: Final \"Whoa~\" ad-libs, drenched in reverb, fading into silence.)\nWhoa~",
  "song_id": "04_sleepless in a hotel room_20260406",
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    "provider": "google",
    "model": "gemini-2.5-pro",
    "usage": {
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    "generated_at": "2026-04-06T15:35:22.306314+08:00"
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}