V+ roman degree
The augmented dominant — the raised 5th intensifies the pull to I even further, adding a second note that 'points' at the tonic alongside the leading tone.
Where it lives
7semitones from the tonic
Major mode
augmented
7semitones from the tonic
Minor mode
augmented
Hear it in context: I-V+-vi-IV
Piano sound loads on first tap. Resolved in the key of C — every chord links to its full analysis.

