Music Box Factory: G major, 108 BPM — 8 tuned percussion instruments.
Kalimba, vibraphone, celesta, marimba, glockenspiel, xylophone,
crotales, timpani. No synths, no strings.
Cathedral: D minor, 60 BPM — tubular bells in taj_mahal, bagpipe
drone, mellotron choir, timpani thunder, pipe organ, kick in
cathedral reverb. Mellotron choir solo at the heart.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
