{
  "genre": "reggaeton",
  "era": "2009",
  "display_name": "Reggaeton 2009 (Era de Oro)",
  "description": "Reggaeton comercial 2006-2010. Daddy Yankee, Wisin y Yandel, Don Omar, Tito El Bambino, Hector El Father. Beat dembow con 808, piano stabs, brass hits. AGGRESSIVE groove, dense drum loops, GAP/BREAK section technique.",
  "bpm": {
    "min": 88,
    "max": 102,
    "default": 99
  },
  "keys": ["Am", "Dm", "Gm", "Cm", "Em", "Fm", "Bbm"],
  "time_signature": [4, 4],
  "ppq": 96,
  "structure": {
    "template": "extracted_real_tracks",
    "templates": {
      "extracted_real_tracks": [
        {"name": "build",       "bars": 16, "energy": 0.6},
        {"name": "verse",       "bars": 2,  "energy": 0.35},
        {"name": "build",       "bars": 47, "energy": 0.65},
        {"name": "verse",       "bars": 1,  "energy": 0.35},
        {"name": "gap",         "bars": 1,  "energy": 0.05},
        {"name": "drop",        "bars": 2,  "energy": 1.0},
        {"name": "build",       "bars": 5,  "energy": 0.7},
        {"name": "break",       "bars": 2,  "energy": 0.05},
        {"name": "drop",        "bars": 1,  "energy": 0.95},
        {"name": "build",       "bars": 12, "energy": 0.65},
        {"name": "verse",       "bars": 2,  "energy": 0.35},
        {"name": "build",       "bars": 8,  "energy": 0.6}
      ],
      "standard": [
        {"name": "intro",  "bars": 4,  "energy": 0.3},
        {"name": "verse",  "bars": 8,  "energy": 0.35},
        {"name": "chorus", "bars": 8,  "energy": 0.95},
        {"name": "verse",  "bars": 8,  "energy": 0.35},
        {"name": "chorus", "bars": 8,  "energy": 0.95},
        {"name": "bridge", "bars": 8,  "energy": 0.4},
        {"name": "chorus", "bars": 8,  "energy": 0.95},
        {"name": "outro",  "bars": 8,  "energy": 0.35}
      ]
    },
    "gap_break_energy_contrast": 50.0,
    "dembow_positions": [0, 4, 8, 11, 12],
    "note": "GAP/BREAK technique: 1-2 bars near-silence (-50dB) followed by loud DROP (+6dB) creates massive contrast. Real tracks use this extensively."
  },
  "pattern_banks": {
    "dembow_classico": "extracted from 99.4 BPM track (Ejemplo 1)",
    "perreo": "aggressive variant with extra kicks at beat 1.5& and 2",
    "trapico": "half-time feel, kicks at beats 1 and 3 only",
    "dense": "full drum loop density, highest hit frequency positions"
  },
  "roles": {
    "drums": {
      "description": "DENSE drum loop (NOT sparse kick-snare). Kicks at positions 4, 11, 8, 12, 9 — the dembow IS there but buried in a full loop. Pattern bank: kick_pattern_bank_notes",
      "pattern_type": "drum_loop",
      "preferred_plugins": ["FPC", "Fruity DrumSynth Live", "DirectWave", "Kontakt 7"],
      "midi_channel": 0,
      "mixer_slot": 0,
      "notes_template": "drum_loop_dembow",
      "bank": "dembow_classico"
    },
    "bass": {
      "description": "808 sub bass. Section-aware: follows section energy. Tresillo grouping in drop/chorus, sparse in break/gap.",
      "pattern_type": "808_follow_kick",
      "preferred_plugins": ["Serum 2", "Transistor Bass", "Sytrus", "3x Osc", "ravity(S)"],
      "midi_channel": 1,
      "mixer_slot": 1,
      "octave": 2,
      "notes_template": "bass_tresillo_section_aware"
    },
    "harmony": {
      "description": "Piano stabs in offbeats. Closed triads. Section-aware velocity.",
      "pattern_type": "piano_stabs",
      "preferred_plugins": ["FL Keys", "Nexus2", "Kontakt 7", "Sakura", "Pigments"],
      "midi_channel": 2,
      "mixer_slot": 2,
      "notes_template": "piano_stabs_section_aware"
    },
    "lead": {
      "description": "Brass hit o melodia sintetizada. Hook syncopation on dembow positions (4, 11, 12). Section-aware density.",
      "pattern_type": "brass_hook",
      "preferred_plugins": ["Serum 2", "Omnisphere", "Harmor", "Electra", "ravity(S)"],
      "midi_channel": 3,
      "mixer_slot": 3,
      "notes_template": "lead_hook_section_aware"
    },
    "pad": {
      "description": "Pad atmosferico sutil para llenar el fondo. Sustained chord tones.",
      "pattern_type": "sustained_pad",
      "preferred_plugins": ["Harmor", "Serum 2", "Omnisphere", "FLEX", "Pigments"],
      "midi_channel": 4,
      "mixer_slot": 4,
      "notes_template": "pad_sustained"
    },
    "perc": {
      "description": "Percusion adicional: shaker, congas, timbales.",
      "pattern_type": "latin_perc",
      "preferred_plugins": ["FPC", "Fruity DrumSynth Live", "DirectWave"],
      "midi_channel": 5,
      "mixer_slot": 5,
      "notes_template": "latin_perc"
    }
  },
  "chord_progressions": [
    {
      "name": "clasica_menor",
      "chords": ["Am", "G", "F", "G"],
      "beats_per_chord": 4,
      "popularity": 0.9
    },
    {
      "name": "tension",
      "chords": ["Am", "F", "C", "G"],
      "beats_per_chord": 4,
      "popularity": 0.7
    },
    {
      "name": "oscura",
      "chords": ["Dm", "C", "Bb", "C"],
      "beats_per_chord": 4,
      "popularity": 0.6
    },
    {
      "name": "romantica",
      "chords": ["Am", "Dm", "G", "C"],
      "beats_per_chord": 4,
      "popularity": 0.75
    },
    {
      "name": "nocturna",
      "chords": ["Em", "Am", "Dm", "G"],
      "beats_per_chord": 4,
      "popularity": 0.5
    }
  ],
  "mix": {
    "bass_heavy": true,
    "sidechain_bass_to_kick": true,
    "reverb_on_snare": true,
    "reverb_on_lead": true,
    "typical_lufs": -8,
    "master_chain": ["Pro-Q 3", "Pro-C 2", "Pro-L 2"],
    "per_role": {
      "drums": {
        "effects": ["Fruity Parametric EQ 2", "Fruity Compressor"],
        "volume_db": -3,
        "stereo": 0
      },
      "bass": {
        "effects": ["Fruity Parametric EQ 2", "Saturn 2"],
        "volume_db": -2,
        "stereo": 0,
        "hp_filter_hz": 20,
        "lp_filter_hz": 200
      },
      "harmony": {
        "effects": ["Pro-Q 3", "Pro-C 2"],
        "volume_db": -6,
        "stereo": -10
      },
      "lead": {
        "effects": ["Pro-Q 3", "Pro-R 2", "Saturn 2"],
        "volume_db": -5,
        "stereo": 15
      },
      "pad": {
        "effects": ["Pro-Q 3", "Pro-R 2"],
        "volume_db": -10,
        "stereo": 30
      }
    }
  },
  "reference_tracks": [
    "Gasolina - Daddy Yankee",
    "Rakata - Wisin y Yandel",
    "Danza Kuduro - Don Omar",
    "El Amor - Tito El Bambino",
    "Rumor de Guerra - Hector El Father",
    "Pose - Daddy Yankee",
    "Llamé Pa Verte - Wisin y Yandel"
  ],
  "analysis_notes": {
    "key_finding": "The dembow IS present (positions 0, 4, 8, 11, 12 high across all instruments) but it's buried in a DENSE drum loop, NOT the textbook sparse kick-snare pattern.",
    "kick_insight": "Position 4 (beat 2) is the DENSEST kick hit — not beat 1. Real tracks have kicks on almost EVERY 16th note position.",
    "gap_break_technique": "1-2 bars near-silence (-50dB) followed by loud DROP (+6dB over baseline) creates massive contrast. This is a signature reggaetón technique.",
    "filter_sweeps": "Spectral centroid drops detected in breakdowns, confirming HPF filtering in intro/filtered sections."
  }
}
