ChordA♭7(add13)Standard A♭ dominant seventh added thirteenth · Frets 1–4 EADGBER3♭7R313noteA♭CG♭A♭CFroleR3♭7R313fret434111frets 1–4C2C3C4C5RootA♭1stC2ndE♭3rdG♭ StrumArpeggio