<SONG_DETAILS> [GENRE: Urban dark ambient, dystopian industrial atmosphere, grimdark science-fantasy underscore] [STYLE: Immersive environmental background music for a planet covered in colossal hive cities, overcrowded hab-blocks, polluted transit corridors, industrial levels, criminal underhives, sealed noble spires, and billions of people living beneath artificial skies] [MOOD: Claustrophobic, immense, exhausted, oppressive, restless, decaying, watchful, melancholy] [INSTRUMENTATION: Deep urban drones, distant train resonance, ventilation hum, electrical buzz, metallic footsteps, low synth pads, restrained industrial percussion, elevator machinery, pipe vibration, dripping water, muffled public-address tones, faraway sirens, transformer noise, and sparse mournful strings] [ARRANGEMENT: Begin in the lower hive with ventilation drones, dripping water, distant machinery, and faint transit noise; gradually introduce restrained industrial pulses, metallic echoes, and crowded urban resonance; rise briefly toward the upper levels with wider harmonic space, distant strings, and cold architectural grandeur; descend again into underhive darkness, unstable power systems, and muffled criminal activity; conclude with endless habitation noise fading into a vast mechanical hum] [RHYTHM: Slow and repetitive with irregular industrial pulses, distant transit cycles, and occasional mechanical patterns; no energetic dance beat] [MELODY: Sparse minor-key motifs, mournful string fragments, cold synth intervals, and incomplete themes suggesting lives lost within an impossibly large city] [ATMOSPHERE: Narrow hab corridors, rusted walkways, neon reflected in polluted water, crowded transit platforms, sealed manufactorums, gang territory, distant noble towers, and artificial night stretching across entire continents] [PRODUCTION: Dense layered urban soundscape, deep low-frequency ambience, cavernous metallic reverberation, subtle environmental motion, restrained cinematic dynamics, seamless progression, suitable for extended tabletop roleplaying] [VOCALS: Instrumental only; no singing, choir, chanting, narration, spoken announcements, radio dialogue, whispers, crowd chants, or vocal samples] [AVOID: Energetic cyberpunk club music, synthwave nostalgia, heroic city themes, fast action scoring, bright neon pop, constant sirens, dominant percussion, uplifting orchestration, or trailer crescendos] </SONG_DETAILS>
