EXCERPT Within the lexicon of musical theory, the tritone is an (infamous) restless interval, which results in two pitches being concurrently audible. It spans three adjacent whole tones, meaning that in the diatonic scale there is one tritone per octave, or six semitones in which case there are two tritones per octave. While other musical intervals have associated euphony, and therefore sound smoother in terms of transition, the tritone is distinctively harsh sounding, which is why it is often referred to as being harmonically and melodically dissonant.…