F Augmented

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About

The F augmented triad (F–A–C♯) raises the fifth by a half step, replacing the stable perfect fifth with an augmented fifth. This removes the grounding effect of the perfect fifth and gives the chord its floating, unresolved quality — every interval is a major third, making the structure symmetrical and harmonically ambiguous. It commonly appears as a passing chord between the major triad and the IV chord (F → F+ → B♭), or as a V+ that creates extra tension before resolving. All three tones carry weight — omitting the C♯ leaves a plain major chord, so it must be present. Augmented shapes repeat every four frets. Compared to Fdim, augmented feels more open and less tense, but equally unstable.