{
  "version": 2,
  "policy": {
    "stores_audio": false,
    "stores_samples": false,
    "stores_metadata_only": true,
    "purpose": "drum feel generation profile, not copying"
  },
  "profiles": [
    {
      "id": "mixture_shout",
      "label": "Mixture Shout",
      "description": "Heavy riff and shout vocal driven style with strong snare focus and controlled section fills.",
      "section_profile": {
        "verse": {
          "density": "medium",
          "fill_tendency": "low",
          "ghost_preference": "low",
          "transition_style": "build"
        },
        "chorus": {
          "density": "high",
          "fill_tendency": "medium",
          "ghost_preference": "medium",
          "transition_style": "lift"
        },
        "bridge": {
          "density": "medium",
          "fill_tendency": "high",
          "ghost_preference": "medium",
          "transition_style": "open"
        },
        "end": {
          "density": "high",
          "fill_tendency": "low",
          "ghost_preference": "low",
          "transition_style": "drop"
        }
      },
      "instrument_profile": {
        "vocal": {
          "intensity": "high",
          "attack": "hard",
          "syncopation": "high"
        },
        "bass": {
          "intensity": "high",
          "attack": "hard",
          "syncopation": "medium"
        },
        "guitar": {
          "intensity": "high",
          "attack": "hard",
          "syncopation": "low"
        }
      },
      "feel_profile": {
        "groove_push_pull": "forward",
        "swing": 6,
        "humanize": "medium",
        "density": "high",
        "articulation": "firm"
      },
      "drum_translation": {
        "structure": {
          "kick": [
            "anchor_1_3",
            "double_floor_on_pre_chorus"
          ],
          "snare": [
            "strong_backbeat",
            "short_pre_transition_ghost"
          ],
          "hat": [
            "tight_8th",
            "occasional_16th_stab"
          ],
          "ghost_notes": [
            "sparse_between_beat"
          ],
          "fill": [
            "short_pre_shout_fill",
            "phrase_end_roll_gate"
          ],
          "crash": [
            "verse_to_chorus_entry",
            "section_reinforce"
          ],
          "transition": [
            "bar_end_lift",
            "final_return_1_beat_gap"
          ]
        },
        "expression": {
          "velocity_curve": "firm_front_mid_tail",
          "microtiming_deviation": "snare_late_ghosts, kick_forward_8to16th",
          "humanize_range": "ms[-7,+5]",
          "density_profile": "high",
          "swing_profile": "8th 6%"
        }
      },
      "fill_policy": {
        "types": [
          "short",
          "roll"
        ],
        "max_per_8_bars": 2,
        "section_priority": {
          "verse": 3,
          "chorus": 6,
          "bridge": 8,
          "end": 2
        },
        "transition_cue_priority": "high"
      },
      "ghost_notes_policy": {
        "unit": "16th",
        "section_density": {
          "verse": "low",
          "chorus": "low_to_mid",
          "bridge": "medium",
          "end": "low"
        }
      },
      "section_transition_rules": [
        {
          "from": "chorus",
          "to": "bridge",
          "adjustments": [
            "shorten_fill",
            "reduce_crash_count",
            "increase_risk_timing_slack"
          ],
          "priority": "high"
        },
        {
          "from": "bridge",
          "to": "chorus",
          "adjustments": [
            "add_micro_gap",
            "kick_return_guard"
          ],
          "priority": "medium"
        }
      ],
      "avoid": [
        "overly_sparse_hat",
        "flat_velocity_ramp"
      ]
    },
    {
      "id": "rock_heavy",
      "label": "Rock Heavy",
      "description": "Straight power with stable backbeat, clear crash accents, and durable groove anchoring.",
      "section_profile": {
        "verse": {
          "density": "high",
          "fill_tendency": "low",
          "ghost_preference": "low",
          "transition_style": "tight"
        },
        "chorus": {
          "density": "high",
          "fill_tendency": "low",
          "ghost_preference": "low",
          "transition_style": "lift"
        },
        "bridge": {
          "density": "medium",
          "fill_tendency": "medium",
          "ghost_preference": "low",
          "transition_style": "build"
        },
        "end": {
          "density": "high",
          "fill_tendency": "low",
          "ghost_preference": "low",
          "transition_style": "drop"
        }
      },
      "instrument_profile": {
        "vocal": {
          "intensity": "medium",
          "attack": "normal",
          "syncopation": "low"
        },
        "bass": {
          "intensity": "high",
          "attack": "hard",
          "syncopation": "medium"
        },
        "guitar": {
          "intensity": "high",
          "attack": "hard",
          "syncopation": "medium"
        }
      },
      "feel_profile": {
        "groove_push_pull": "neutral",
        "swing": 3,
        "humanize": "low",
        "density": "high",
        "articulation": "firm"
      },
      "drum_translation": {
        "structure": {
          "kick": [
            "steady_four_to_floor",
            "reinforce_1_and_3"
          ],
          "snare": [
            "classic_2_4_backbeat",
            "stable_placement"
          ],
          "hat": [
            "open_8th_only",
            "occasional_16th_fill"
          ],
          "ghost_notes": [
            "minimal"
          ],
          "fill": [
            "bar_end_power_fill",
            "sparse_double_hits"
          ],
          "crash": [
            "downbeat_entry",
            "phrase_end_highlight"
          ],
          "transition": [
            "full_bar_transition_cue",
            "tempo_consistent"
          ]
        },
        "expression": {
          "velocity_curve": "heavy_backbone_with_soft_tail",
          "microtiming_deviation": "tight_grid_with_small_noise",
          "humanize_range": "ms[-3,+3]",
          "density_profile": "high",
          "swing_profile": "8th 3%"
        }
      },
      "fill_policy": {
        "types": [
          "short",
          "long"
        ],
        "max_per_8_bars": 1,
        "section_priority": {
          "verse": 2,
          "chorus": 3,
          "bridge": 5,
          "end": 2
        },
        "transition_cue_priority": "medium"
      },
      "ghost_notes_policy": {
        "unit": "16th",
        "section_density": {
          "verse": "low",
          "chorus": "low",
          "bridge": "low_to_mid",
          "end": "low"
        }
      },
      "section_transition_rules": [
        {
          "from": "chorus",
          "to": "bridge",
          "adjustments": [
            "flatten_density_drop",
            "maintain_backbeat_anchor"
          ],
          "priority": "medium"
        },
        {
          "from": "bridge",
          "to": "chorus",
          "adjustments": [
            "kick_pressure_restore",
            "shorten_space_before_reentry"
          ],
          "priority": "high"
        }
      ],
      "avoid": [
        "over_complex_syncopation",
        "unbounded_flams"
      ]
    },
    {
      "id": "nerdy_jazzy_hiphop",
      "label": "Nerdy Jazzy HipHop",
      "description": "Laid-back pocket with swung hats, ghost note texture, and soft kick displacement.",
      "section_profile": {
        "verse": {
          "density": "low",
          "fill_tendency": "low",
          "ghost_preference": "high",
          "transition_style": "build"
        },
        "chorus": {
          "density": "low_to_mid",
          "fill_tendency": "medium",
          "ghost_preference": "high",
          "transition_style": "lift"
        },
        "bridge": {
          "density": "low",
          "fill_tendency": "high",
          "ghost_preference": "high",
          "transition_style": "open"
        },
        "end": {
          "density": "low",
          "fill_tendency": "low",
          "ghost_preference": "medium",
          "transition_style": "decay"
        }
      },
      "instrument_profile": {
        "vocal": {
          "intensity": "low",
          "attack": "soft",
          "syncopation": "medium"
        },
        "bass": {
          "intensity": "medium",
          "attack": "normal",
          "syncopation": "medium"
        },
        "guitar": {
          "intensity": "low",
          "attack": "soft",
          "syncopation": "medium"
        }
      },
      "feel_profile": {
        "groove_push_pull": "backward",
        "swing": 9,
        "humanize": "high",
        "density": "low_to_mid",
        "articulation": "soft"
      },
      "drum_translation": {
        "structure": {
          "kick": [
            "soft_pocketed_kick",
            "avoid_dense_double_hits"
          ],
          "snare": [
            "laid_back_snare",
            "ghosted_between_hits"
          ],
          "hat": [
            "swung_hat",
            "micro_shifted_ghost_hat"
          ],
          "ghost_notes": [
            "frequent_between_beat",
            "per_bar_variants"
          ],
          "fill": [
            "jazzy_comping_fill",
            "late_accent_fill"
          ],
          "crash": [
            "selective_entry",
            "sparse_ride_like_hit"
          ],
          "transition": [
            "space_leading",
            "double_tap_transition_cue"
          ]
        },
        "expression": {
          "velocity_curve": "soft_front_then_micro_spikes",
          "microtiming_deviation": "laid_back_main_with_hocketed_ghost_offsets",
          "humanize_range": "ms[-10,+8]",
          "density_profile": "low_to_mid",
          "swing_profile": "8th 9%"
        }
      },
      "fill_policy": {
        "types": [
          "short",
          "long"
        ],
        "max_per_8_bars": 1,
        "section_priority": {
          "verse": 2,
          "chorus": 4,
          "bridge": 6,
          "end": 2
        },
        "transition_cue_priority": "low"
      },
      "ghost_notes_policy": {
        "unit": "16th",
        "section_density": {
          "verse": "high",
          "chorus": "high",
          "bridge": "high",
          "end": "medium"
        }
      },
      "section_transition_rules": [
        {
          "from": "chorus",
          "to": "bridge",
          "adjustments": [
            "extend_ghost_window",
            "lower_crash_count"
          ],
          "priority": "medium"
        },
        {
          "from": "bridge",
          "to": "chorus",
          "adjustments": [
            "reintroduce_kick_anchor",
            "shorten_fill_window"
          ],
          "priority": "medium"
        }
      ],
      "avoid": [
        "straight_8th_without_swing",
        "constant_ferocity"
      ]
    },
    {
      "id": "breakbeat_live",
      "label": "Breakbeat Live",
      "description": "Live drummer feel with chopped break influence, energetic fills, and wide velocity variation.",
      "section_profile": {
        "verse": {
          "density": "high",
          "fill_tendency": "medium",
          "ghost_preference": "medium",
          "transition_style": "open"
        },
        "chorus": {
          "density": "high",
          "fill_tendency": "high",
          "ghost_preference": "medium",
          "transition_style": "lift"
        },
        "bridge": {
          "density": "high",
          "fill_tendency": "high",
          "ghost_preference": "high",
          "transition_style": "build"
        },
        "end": {
          "density": "medium",
          "fill_tendency": "medium",
          "ghost_preference": "low",
          "transition_style": "decay"
        }
      },
      "instrument_profile": {
        "vocal": {
          "intensity": "medium",
          "attack": "normal",
          "syncopation": "medium"
        },
        "bass": {
          "intensity": "high",
          "attack": "hard",
          "syncopation": "high"
        },
        "guitar": {
          "intensity": "medium",
          "attack": "normal",
          "syncopation": "high"
        }
      },
      "feel_profile": {
        "groove_push_pull": "forward",
        "swing": 7,
        "humanize": "high",
        "density": "high",
        "articulation": "firm"
      },
      "drum_translation": {
        "structure": {
          "kick": [
            "break_oriented_pattern",
            "staggered_hits"
          ],
          "snare": [
            "ghost_to_full",
            "syncopated_hits"
          ],
          "hat": [
            "chopped_break_tone",
            "alternating_open_closed"
          ],
          "ghost_notes": [
            "frequent",
            "per_bar_variants"
          ],
          "fill": [
            "extended_live_fill",
            "syncopated_break_strokes"
          ],
          "crash": [
            "phrase_separator",
            "energy_marking"
          ],
          "transition": [
            "crowd_friendly_buildup",
            "live_end_fill"
          ]
        },
        "expression": {
          "velocity_curve": "wide_pocket_with_higher_accent_density",
          "microtiming_deviation": "barwise_phase_drift_with_live_reset",
          "humanize_range": "ms[-9,+9]",
          "density_profile": "high",
          "swing_profile": "8th 7%"
        }
      },
      "fill_policy": {
        "types": [
          "short",
          "long",
          "roll"
        ],
        "max_per_8_bars": 3,
        "section_priority": {
          "verse": 4,
          "chorus": 7,
          "bridge": 9,
          "end": 5
        },
        "transition_cue_priority": "high"
      },
      "ghost_notes_policy": {
        "unit": "16th",
        "section_density": {
          "verse": "medium",
          "chorus": "medium",
          "bridge": "high",
          "end": "low"
        }
      },
      "section_transition_rules": [
        {
          "from": "chorus",
          "to": "bridge",
          "adjustments": [
            "allow_fill_density_spike",
            "stabilize_crash_on_downbeat"
          ],
          "priority": "medium"
        },
        {
          "from": "bridge",
          "to": "end",
          "adjustments": [
            "reduce_live_rush",
            "shift_to_decision_tail"
          ],
          "priority": "low"
        }
      ],
      "avoid": [
        "uniform_velocity",
        "static_beat_map"
      ]
    },
    {
      "id": "dubby_half_time",
      "label": "Dubby Half-Time",
      "description": "Half-time pressure with sparse hats, deep kick/snare spacing, and low-mid atmosphere.",
      "section_profile": {
        "verse": {
          "density": "low",
          "fill_tendency": "low",
          "ghost_preference": "low",
          "transition_style": "decay"
        },
        "chorus": {
          "density": "low_to_mid",
          "fill_tendency": "medium",
          "ghost_preference": "medium",
          "transition_style": "lift"
        },
        "bridge": {
          "density": "low",
          "fill_tendency": "high",
          "ghost_preference": "low",
          "transition_style": "open"
        },
        "end": {
          "density": "low",
          "fill_tendency": "low",
          "ghost_preference": "low",
          "transition_style": "drop"
        }
      },
      "instrument_profile": {
        "vocal": {
          "intensity": "low",
          "attack": "soft",
          "syncopation": "low"
        },
        "bass": {
          "intensity": "low",
          "attack": "hard",
          "syncopation": "low"
        },
        "guitar": {
          "intensity": "low",
          "attack": "normal",
          "syncopation": "low"
        }
      },
      "feel_profile": {
        "groove_push_pull": "backward",
        "swing": 5,
        "humanize": "medium",
        "density": "low_to_mid",
        "articulation": "normal"
      },
      "drum_translation": {
        "structure": {
          "kick": [
            "deep_kick_spacing",
            "long_tail_support"
          ],
          "snare": [
            "half_time_backbeat",
            "wide_spacing"
          ],
          "hat": [
            "sparse_8th",
            "long_gaps"
          ],
          "ghost_notes": [
            "minimal"
          ],
          "fill": [
            "short_sub_fill",
            "tight_end_fill"
          ],
          "crash": [
            "selective_entry",
            "late_transition_hit"
          ],
          "transition": [
            "subdued_drop",
            "space_first_then_hit"
          ]
        },
        "expression": {
          "velocity_curve": "low_mid_with_air",
          "microtiming_deviation": "lagging_snare_and_kick_tail",
          "humanize_range": "ms[-5,+5]",
          "density_profile": "low_to_mid",
          "swing_profile": "8th 5%"
        }
      },
      "fill_policy": {
        "types": [
          "short"
        ],
        "max_per_8_bars": 1,
        "section_priority": {
          "verse": 2,
          "chorus": 4,
          "bridge": 6,
          "end": 3
        },
        "transition_cue_priority": "medium"
      },
      "ghost_notes_policy": {
        "unit": "16th",
        "section_density": {
          "verse": "low",
          "chorus": "low_to_mid",
          "bridge": "low",
          "end": "low"
        }
      },
      "section_transition_rules": [
        {
          "from": "chorus",
          "to": "bridge",
          "adjustments": [
            "subdue_hihat_density",
            "preserve_half_time_anchor"
          ],
          "priority": "medium"
        },
        {
          "from": "bridge",
          "to": "end",
          "adjustments": [
            "collapse_to_sub_bass_space",
            "delay_last_crash"
          ],
          "priority": "high"
        }
      ],
      "avoid": [
        "busy_hat",
        "crowded_subdivisions"
      ]
    },
    {
      "id": "raw_live_drum_drive",
      "label": "Raw Live Drum Drive",
      "description": "A brawny live-drum drive profile with crisp transients, cracked snare authority, busy hands, and controlled low-end weight.",
      "section_profile": {
        "verse": {
          "density": "high",
          "fill_tendency": "medium",
          "ghost_preference": "medium",
          "transition_style": "tight"
        },
        "chorus": {
          "density": "high",
          "fill_tendency": "high",
          "ghost_preference": "medium",
          "transition_style": "lift"
        },
        "bridge": {
          "density": "high",
          "fill_tendency": "high",
          "ghost_preference": "high",
          "transition_style": "build"
        },
        "end": {
          "density": "medium",
          "fill_tendency": "medium",
          "ghost_preference": "low_to_mid",
          "transition_style": "drop"
        }
      },
      "instrument_profile": {
        "vocal": {
          "intensity": "medium",
          "attack": "normal",
          "syncopation": "medium"
        },
        "bass": {
          "intensity": "high",
          "attack": "hard",
          "syncopation": "medium"
        },
        "guitar": {
          "intensity": "high",
          "attack": "hard",
          "syncopation": "high"
        }
      },
      "feel_profile": {
        "groove_push_pull": "forward",
        "swing": 5,
        "humanize": "medium",
        "density": "high",
        "articulation": "cracked"
      },
      "drum_translation": {
        "structure": {
          "kick": [
            "punchy_floor_anchor",
            "short_syncopated_answers"
          ],
          "snare": [
            "dry_cracked_backbeat",
            "ghosted_drive_before_return"
          ],
          "hat": [
            "raw_16th_hands",
            "open_close_pressure"
          ],
          "ghost_notes": [
            "snare_hand_noise",
            "phrase_glue"
          ],
          "fill": [
            "short_live_break_fill",
            "tom_like_midi_strokes"
          ],
          "crash": [
            "rare_room_slash",
            "phrase_marker_only"
          ],
          "transition": [
            "bar_end_hand_push",
            "drop_to_backbeat_floor"
          ]
        },
        "expression": {
          "velocity_curve": "hard_accents_with_unpolished_hand_noise",
          "microtiming_deviation": "forward_kick_dry_snare_lag_small_hat_scatter",
          "humanize_range": "ms[-6,+7]",
          "density_profile": "high_but_breathing",
          "swing_profile": "8th 5%"
        }
      },
      "fill_policy": {
        "types": [
          "short",
          "long",
          "roll"
        ],
        "max_per_8_bars": 2,
        "section_priority": {
          "verse": 4,
          "chorus": 7,
          "bridge": 8,
          "end": 4
        },
        "transition_cue_priority": "high"
      },
      "ghost_notes_policy": {
        "unit": "16th",
        "section_density": {
          "verse": "medium",
          "chorus": "medium",
          "bridge": "high",
          "end": "low_to_mid"
        }
      },
      "section_transition_rules": [
        {
          "from": "chorus",
          "to": "bridge",
          "adjustments": [
            "allow_hand_pressure",
            "keep_snare_crack_centered"
          ],
          "priority": "high"
        },
        {
          "from": "bridge",
          "to": "end",
          "adjustments": [
            "reduce_fill_length",
            "restore_backbeat_floor"
          ],
          "priority": "medium"
        }
      ],
      "avoid": [
        "sample_pack_language",
        "bass_overload",
        "constant_crash",
        "fully_quantized_loop"
      ]
    }
  ]
}