Genre: Gregorian chant, Japanese traditional, dark melodic techno, indie dance, Mood: Sacred, meditative, hypnotic, industrial, mystical, tense, Tempo: 123 BPM, Key: D# minor (pentatonic + Dorian), Vocal style: Male choir unison, distant monk-like Latin phrases ("Kyrie… umbra… requiem…"), breathy whispers, plus calm Japanese spoken word, Instruments: Heavy side-chained kick, distorted groovy bassline, koto and shamisen pentatonic arpeggios, taiko drum hits, bamboo chimes, water drops, dark evolving analog pads, white noise risers, Structure: Intro with monks + solo koto, build with kick and taiko, drop with bass + choir shouts + shamisen, breakdown with silence → water → koto solo → whisper, second drop more aggressive with choir + synth lead, outro with fading choir, koto descent, wind, temple bell, Lyrics example: "Alleluia… umbra… sakura chiru / yami no naka e / yoake mae", Exclude: Trance, happy, supersaws, acoustic folk, orchestral bombastic, pop chorus, breakbeat