The Blaze are Jonathan and Guillaume Alric, two cousins  both about 30  years old, they say  who live in Paris. Born in Ivory Coast, Jonathan returned to France as a three-year-old, where he and Guillaume both grew up in small villages, surrounded by the classical music their parents loved.

International Standard Bible Encyclopedia - Blaze\n\n blaz ("to publish"): Found only in the King James Version of Mark 1:45, for Greek diaphemizein, translated by the Revised Version (British and American) "spread abroad," as in Matthew 9:31; 28:15. Copyright Statement.

plural noun. 1. slang a euphemistic word for hell.