[
  {
    "id": "electronic_uplift_01",
    "genre": "electronic",
    "moods": ["uplifting", "energetic"],
    "tempo": { "min": 112, "max": 128, "mean": 122 },
    "timeSignatures": ["4/4"],
    "keys": ["C Major", "E Minor", "G Major"],
    "chordProgressions": [
      ["Cmaj7", "G/B", "Am7", "Fmaj7"],
      ["Am7", "Fmaj7", "Cmaj7", "G7"],
      ["Fmaj7", "G6", "Em7", "Am7"]
    ],
    "bassStyles": ["sidechained saw bass", "syncopated sub bass"],
    "drumPatterns": [
      "four-on-the-floor kick",
      "offbeat open hi-hats",
      "snare on beats two and four"
    ],
    "melodicMotifs": ["arpeggiated triads", "wide supersaw leads", "syncopated counter melodies"],
    "textures": ["lush pads", "atmospheric risers", "filtered noise sweeps"],
    "arrangement": [
      { "section": "intro", "length": 8 },
      { "section": "build", "length": 16 },
      { "section": "drop", "length": 32 },
      { "section": "break", "length": 16 },
      { "section": "outro", "length": 8 }
    ],
    "instruments": ["synth pad", "saw lead", "plucked synth", "sub bass", "drum machine"]
  },
  {
    "id": "electronic_mellow_01",
    "genre": "electronic",
    "moods": ["melancholy", "peaceful"],
    "tempo": { "min": 78, "max": 96, "mean": 86 },
    "timeSignatures": ["4/4", "3/4"],
    "keys": ["A Minor", "D Minor"],
    "chordProgressions": [
      ["Dm7", "Bbmaj7", "Fmaj7", "Cadd9"],
      ["Am7", "Em7", "Fmaj7", "G13"],
      ["Am9", "Fmaj7", "Cmaj7", "Gsus4"]
    ],
    "bassStyles": ["warm analog bass", "repeating pedal bass"],
    "drumPatterns": ["dusty lofi kit", "triplet hi-hat flourishes"],
    "melodicMotifs": ["gliding portamento leads", "dreamy bell ostinato"],
    "textures": ["vinyl noise", "granular pad", "reverse swell"],
    "arrangement": [
      { "section": "intro", "length": 12 },
      { "section": "theme", "length": 24 },
      { "section": "bridge", "length": 16 },
      { "section": "outro", "length": 8 }
    ],
    "instruments": ["ambient pad", "fm bell", "soft piano", "sub bass", "organic percussion"]
  },
  {
    "id": "classical_peaceful_01",
    "genre": "classical",
    "moods": ["peaceful", "uplifting"],
    "tempo": { "min": 68, "max": 84, "mean": 76 },
    "timeSignatures": ["4/4", "6/8"],
    "keys": ["D Major", "G Major"],
    "chordProgressions": [
      ["I", "V", "vi", "IV"],
      ["I", "IV", "ii", "V"],
      ["I", "vi", "ii", "V"]
    ],
    "bassStyles": ["sustained cello", "pizzicato bass"],
    "drumPatterns": [],
    "melodicMotifs": ["lyrical violin melody", "counterpoint woodwinds"],
    "textures": ["string ensemble", "warm hall reverb"],
    "arrangement": [
      { "section": "introduction", "length": 16 },
      { "section": "development", "length": 32 },
      { "section": "recapitulation", "length": 24 }
    ],
    "instruments": ["string ensemble", "piano", "woodwinds", "french horns"]
  },
  {
    "id": "classical_drama_01",
    "genre": "classical",
    "moods": ["melancholy", "dramatic"],
    "tempo": { "min": 60, "max": 78, "mean": 70 },
    "timeSignatures": ["3/4", "4/4"],
    "keys": ["B Minor", "G Minor"],
    "chordProgressions": [
      ["i", "VI", "III", "VII"],
      ["i", "iv", "V", "i"],
      ["i", "VII", "VI", "V"]
    ],
    "bassStyles": ["pedal point", "descending chromatic bass"],
    "drumPatterns": [],
    "melodicMotifs": ["expressive oboe theme", "descending string figure"],
    "textures": ["tremolo strings", "choir swells"],
    "arrangement": [
      { "section": "lament", "length": 12 },
      { "section": "development", "length": 28 },
      { "section": "climax", "length": 16 },
      { "section": "resolution", "length": 12 }
    ],
    "instruments": ["string ensemble", "oboe", "choir", "harp"]
  },
  {
    "id": "jazz_energetic_01",
    "genre": "jazz",
    "moods": ["energetic", "uplifting"],
    "tempo": { "min": 160, "max": 210, "mean": 190 },
    "timeSignatures": ["4/4", "2/4"],
    "keys": ["Bb Major", "Eb Major"],
    "chordProgressions": [
      ["ii7", "V7", "Imaj7", "VI7"],
      ["Imaj7", "VI7", "ii7", "V7"],
      ["iii7", "VI7", "ii7", "V7"]
    ],
    "bassStyles": ["walking upright bass"],
    "drumPatterns": ["swing ride", "snare comping", "hi-hat chick"],
    "melodicMotifs": ["bebop enclosure", "chromatic approach tones"],
    "textures": ["tight horn section", "brush snare fills"],
    "arrangement": [
      { "section": "head", "length": 16 },
      { "section": "solo", "length": 48 },
      { "section": "trading fours", "length": 16 },
      { "section": "head out", "length": 16 }
    ],
    "instruments": ["saxophone", "trumpet", "upright bass", "piano", "drums"]
  },
  {
    "id": "jazz_late_night_01",
    "genre": "jazz",
    "moods": ["melancholy", "peaceful"],
    "tempo": { "min": 60, "max": 90, "mean": 72 },
    "timeSignatures": ["4/4", "5/4"],
    "keys": ["F Minor", "Db Major"],
    "chordProgressions": [
      ["iiø7", "V7", "i", "iv"],
      ["i", "VI7", "iiø7", "V7"],
      ["i", "iv", "bVI", "V7"]
    ],
    "bassStyles": ["double-stop bass", "two feel"],
    "drumPatterns": ["brush ballad pattern"],
    "melodicMotifs": ["blue note turns", "extended chord tones"],
    "textures": ["smoky piano voicings", "brush swells"],
    "arrangement": [
      { "section": "intro", "length": 8 },
      { "section": "head", "length": 16 },
      { "section": "solo", "length": 32 },
      { "section": "tag", "length": 8 }
    ],
    "instruments": ["muted trumpet", "tenor sax", "upright bass", "piano", "brush drums"]
  },
  {
    "id": "rock_anthem_01",
    "genre": "rock",
    "moods": ["energetic", "uplifting"],
    "tempo": { "min": 120, "max": 150, "mean": 132 },
    "timeSignatures": ["4/4"],
    "keys": ["E Major", "A Major"],
    "chordProgressions": [
      ["E5", "C#5", "A5", "B5"],
      ["I", "V", "vi", "IV"],
      ["I", "bVII", "IV", "V"]
    ],
    "bassStyles": ["driving electric bass", "octave pedal bass"],
    "drumPatterns": ["straight rock groove", "crash on downbeats", "syncopated tom fills"],
    "melodicMotifs": ["anthemic lead line", "call-and-response guitars"],
    "textures": ["stacked guitars", "stadium reverb", "crowd claps"],
    "arrangement": [
      { "section": "intro", "length": 8 },
      { "section": "verse", "length": 16 },
      { "section": "pre-chorus", "length": 8 },
      { "section": "chorus", "length": 16 },
      { "section": "bridge", "length": 8 },
      { "section": "chorus", "length": 16 },
      { "section": "outro", "length": 8 }
    ],
    "instruments": ["electric guitar", "bass guitar", "drum kit", "synth pad", "vocals"]
  },
  {
    "id": "rock_ballad_01",
    "genre": "rock",
    "moods": ["melancholy", "peaceful"],
    "tempo": { "min": 68, "max": 88, "mean": 76 },
    "timeSignatures": ["6/8", "12/8"],
    "keys": ["C Major", "A Minor"],
    "chordProgressions": [
      ["Cadd9", "G", "Am7", "F"],
      ["I", "vi", "IV", "V"],
      ["I", "V", "vi", "iii"]
    ],
    "bassStyles": ["warm bass guitar", "sustained root notes"],
    "drumPatterns": ["big tom swells", "brush groove"],
    "melodicMotifs": ["vocal-inspired lead", "descending guitar hook"],
    "textures": ["acoustic layering", "tape delay guitars", "choir pads"],
    "arrangement": [
      { "section": "intro", "length": 8 },
      { "section": "verse", "length": 16 },
      { "section": "chorus", "length": 16 },
      { "section": "bridge", "length": 8 },
      { "section": "chorus", "length": 16 },
      { "section": "outro", "length": 8 }
    ],
    "instruments": ["acoustic guitar", "electric guitar", "bass guitar", "piano", "drum kit"]
  }
]