From A Wiki of Ice and Fire
Stormsingers are part of a magical discipline from the east.
Magic had died in the west when the Doom fell on Valyria and the Lands of the Long Summer, and neither spell-forged steel nor stormsingers nor dragons could hold it back, but Dany had always heard that the east was different.
- ↑ So Spake Martin: Valyrian-Related Subjects (January 01, 2002)
- ↑ A Game of Thrones, Chapter 23, Daenerys III.