In music, the fifth factor of a chord is the note or pitch that is the fifth scale degree, counting the root or tonal center.
When the fifth is the bass note, or lowest note, of the expressed chord, the chord is in second inversion Playⓘ.
The fifth in a major and minor chord is perfect (G♮ in C).
The open fifth and power chord consists of only the root, fifth and their octave doublings.
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