In music theory, a perfect fifth is the musical interval corresponding to a pair of pitches with a frequency ratio of 3:2, or very nearly so. In classical...

music theory, the circle of fifths (sometimes also cycle of fifths) is a way of organizing pitches as a sequence of perfect fifths. Starting on a C, and using...

quality (perfect, major, minor, augmented, diminished) and number (unison, second, third, etc.). Examples include the minor third or perfect fifth. These...

tunings, all-fifths tuning refers to the set of tunings in which each interval between consecutive open strings is a perfect fifth. All-fifths tuning is...

the ascending interval from C to the next F is a perfect fourth, because the note F is the fifth semitone above C, and there are four staff positions...

major), perfect fifths, and minor sevenths—are used in the following discussion of fundamental guitar-chords. As already stated, the perfect-fifths (P5)...

consecutive fifths or parallel fifths are progressions in which the interval of a perfect fifth is followed by a different perfect fifth between the same...

theory, a major chord is a chord that has a root, a major third, and a perfect fifth. When a chord comprises only these three notes, it is called a major...

moved in either direction to favor certain groups of keys. The eleven perfect fifths sound almost perfectly consonant. Conversely, the diminished sixth used...

three in-tune fifths are interrupted by the grave fifth D–A =  T t t s (grave means "flat by a comma"), followed by another perfect fifth, E–B, and another...