ChordAdim7Mandolin · Standard A diminished seventh · Frets 1–3 GDAER♭5♭3♭♭7noteAE♭CG♭roleR♭5♭3♭♭7fret2132frets 1–3C3C4C5C6C7RootA1stC2ndE♭3rdG♭ StrumArpeggio