What is a Tritone? A tritone is an interval of 3 tones (whole steps) or 6 semitones (half steps) that sounds very dissonant to the listener.
AP Music Theory: Exam Prep Course - Online Video Lessons
Aural Perception Solfege Ear Training and Music Theory Fundamentals Cheat Sheet - Merch
What is a Tritone? Tritone Explained in 2 Minutes (Music Theory)
The Unsettling Sound Of Tritones, The Devil's Interval : NPR
Tritone - Music Theory Academy
The Circle of all the Intervals - Music Interval Theory Academy
Piano Intervals Explained (Beginner Music Theory)
eMedia Music Theory Tutor Volume 1 – eMedia Music Corporation
How To Make Music With The DEVIL'S Interval (The Tritone)[Guitar Theory]
Tritone, Interval, Chord & Harmony
The Tritone Interval: A Guide To The Devil's Interval
A Classical Perspective To The Resolution Of The Tritone - Hear and Play Music Learning Center