Tritone - Devil in Music. How to use it?

Diabolus in Musica: The Devil is in the Dissonance – EsoterX

Tritone - Music Theory Academy

Medieval composers were discouraged from using the Devil's interval

The Devil's Interval: The Tritone In Classical Music

The tritone: The sound of the devil's interval and unlocking how to use it - Blog

Tritone Chord Substitution For Jazz Guitar

Devil's Tritone by Locrian66 on DeviantArt

Tritone - Music theory

How the Black Sabbath tritone riff captured diabolus in musica

Is it true that in medieval times, if you played a flatted 5th or a tritone chord, you would get beheaded? - Quora

What is a Tritone? Why They Call it the Devil's Interval

Devil's interval: What makes music sound scary?