What this song renders
Odaenathus had spent the 260s saving Rome’s east. After Emperor Valerian was captured by the Persian Shapur I in 260, Odaenathus invaded Persia twice, recovered the eastern frontier, and was rewarded by Emperor Gallienus with the unprecedented title corrector totius Orientis — corrector of the entire East. He ruled Palmyra and oversaw Rome’s eastern provinces with imperial-level authority but no imperial title.
In 267 he was assassinated, along with his eldest son Hairan, at a feast or hunting party (sources differ on the location, somewhere in Anatolia or Syria). The Historia Augusta names a kinsman called Maeonius as the killer and hints — in passing, hostilely — at conspiracy involving Zenobia. Modern historians treat the complicity rumour as a hostile late-Roman trope (the dangerous queen plotting against her husband) rather than evidence.
Whatever the exact circumstances, the political fact is clear: Odaenathus and his legitimate heir Hairan were both dead. Zenobia’s son Vaballathus — perhaps 7–10 years old — was nominal ruler. Zenobia became regent. Within five years she would drop the regent fiction entirely. The track renders that pivot: the sword inherited, not taken.
The assassination itself, Hairan’s death alongside his father, and Zenobia’s assumption of regency are all documented. The role of Maeonius is in Historia Augusta only. Any conspiratorial complicity by Zenobia is HA insinuation that should be treated with caution — the trope of the murderous queen is a genre convention, not evidence.