The Book of DieselThe Light Before the Gospel“Pythagoras said the cosmos might also be harmony. Tirzah, granddaughter of the family freed under Cyrus, asked whether harmony could include grief. ‘If it cannot,’ she said, ‘then it is only the music of people too fortunate to hear the world.’”
The Book of Diesel · Gospel Threshold Edition v4.5
Historically anchoredThe setting or public event is documented; dialogue, motives, and recurring characters are invented.
Pythagorean tradition later emphasized musical proportion and disciplined communal life. Babylon was an intercultural center where Greek, Egyptian, Babylonian, Judean, and Iranian knowledge could meet under Persian rule.
The concert, instruments, and philosophical exchanges are fictional.