{
  "styles": [
    {
      "name": "솔로 피아노 (최대 진정)",
      "caption": "Extremely gentle solo piano piece. Warm, soft touch with narrow dynamic range (pp to mp). Simple stepwise melody with small intervals, repetitive soothing phrases. Consonant harmony only, simple I-IV-V progression. Mid-range frequencies dominant (200Hz-4kHz). No bass rumble, no high-frequency shimmer. Gradual transitions, meditative and peaceful. Designed for canine relaxation based on psychoacoustic research.",
      "bpm": 58,
      "keyscale": "C major",
      "variations": [
        "Gentle ascending phrases with soft pedal resonance.",
        "Descending melodic pattern with warm sustained notes.",
        "Arpeggiated chords in middle register, very slow and deliberate.",
        "Simple two-note patterns alternating with brief silences.",
        "Legato melody in the tenor range with minimal accompaniment.",
        "Soft repeated chord progression with gentle dynamic swells."
      ]
    },
    {
      "name": "소프트 레게 (스트레스 감소)",
      "caption": "Gentle soft reggae instrumental with acoustic guitar offbeat skank and warm piano chords. Light bass in 100-250Hz range, no drums or percussion. Simple repetitive melody, tropical and mellow. Very narrow dynamic range, smooth and flowing with no sudden changes. Mid-range focused, relaxed and soothing atmosphere. Based on University of Glasgow canine stress research.",
      "bpm": 68,
      "keyscale": "G major",
      "variations": [
        "Acoustic guitar offbeat with gentle piano fills.",
        "Warm bass line with soft melodic guitar over the top.",
        "Piano-led section with subtle string pad in background.",
        "Guitar melody in middle register, very smooth and flowing.",
        "Soft keyboard chords with gentle rhythmic acoustic guitar.",
        "Simple bass and guitar interplay, warm and tropical feeling."
      ]
    },
    {
      "name": "하프 클래식 (수의사 방문 전)",
      "caption": "Solo harp playing simplified classical arrangements. Gentle arpeggios with warm resonance, extremely soft dynamics. Predictable harmonic rhythm, no tempo changes. Narrow frequency range focused on mid-register. Calming, ethereal, spa-like atmosphere. Slow and deliberate with natural ring-out between phrases.",
      "bpm": 54,
      "keyscale": "F major",
      "variations": [
        "Descending arpeggios with gentle resonance fading naturally.",
        "Simple ascending scale patterns with soft harmonic overtones.",
        "Repeated gentle chord shapes with slight melodic variation.",
        "Low register arpeggios with warm, rounded tone.",
        "Middle register melody with delicate ornamental notes.",
        "Sustained notes with natural decay, very peaceful and still."
      ]
    }
  ]
}