01. Sources written by enemies
Tacitus, Suetonius, and Cassius Dio wrote from elite traditions hostile to Nero.
History Myths
The most famous image of a tyrant enjoying a catastrophe probably did not happen. Rome is burning. Nero, supposedly, sits with an instrument and serenades destruction. The image is vivid, famous, and wrong in almost every particular. Nero was likely outside Rome when the fire started. The fiddle did not exist. The sources hated him. The myth tells us less about Nero and more about how history gets written.
Quick answer
No. Nero almost certainly did not fiddle while Rome burned. He was reportedly in Antium, returned to Rome, and organized relief. The fiddle would not exist for more than a millennium. The plausible kernel is that Nero may have sung about the fall of Troy, later reframed as monstrous indifference.

The mystery
The myth tells us less about Nero and more about how history gets written.
The short answer
No. Nero almost certainly did not fiddle while Rome burned. He was reportedly in Antium, returned to Rome, and organized relief. The fiddle would not exist for more than a millennium.
The twist
The plausible kernel is that Nero may have sung about the fall of Troy, later reframed as monstrous indifference.
Common mistake
Many believe Nero deliberately burned Rome to clear land for his palace.