{
  "title": "Copper Mile",
  "artist": "The Saltwater Lanterns",
  "album": "Harbour Sessions",
  "duration_seconds": 198,
  "format": "WAV",
  "sample_rate_hz": 48000,
  "bit_depth": 24,
  "channels": 2,
  "bpm": 116,
  "key": "D major",
  "genre": "indie folk rock",
  "isrc_placeholder": "DEMO-HR-2026-00042",
  "recorded_at": "Harmonia Records, Live Room A",
  "description": "Up-tempo band recording with acoustic guitar, brushed drums, and group vocals. Original recording metadata for demo purposes; no audio asset is distributed in this catalog."
}