How do you pronounce Perfect Fourth?

Perfect Fourth is pronounced "/ˈpɜːfɪkt fɔːθ/".

What is the opposite of Perfect Fourth?

The opposite of Perfect Fourth includes: tritone, augmented fourth.

Perfect Fourth

An interval spanning five semitones, historically treated as both consonant and dissonant depending on context.

About Perfect Fourth

The perfect fourth is the distance from C to F, or from G to C above, and it holds a unique position in Western harmonyHarmonyThe simultaneous combination of pitches to produce chords and chord progressions.View full entry →. In medieval music it was classified as a perfect consonanceConsonanceIntervals or chords perceived as stable, restful, and complete.View full entry → alongside the fifthFifthThe interval spanning five scale degrees, most commonly the perfect fifth.View full entry → and octaveOctaveThe interval spanning eight diatonic scale degreesView full entry →, but from the Renaissance onwards it was treated as a dissonanceDissonanceIntervals or chords perceived as tense, unstable, and seeking resolution.View full entry → when appearing above the bass note — a rule that still applies in species counterpointCounterpointThe art of combining two or more independent melodic lines simultaneously.View full entry →.