ChordC♯7(add13)8-string · Standard C♯ dominant seventh added thirteenth · Open position F♯BEADGBER3135noteC♯E♯Same note as FA♯BG♯roleR313♭75fret43304frets 3–4C1C2C3C4C5C6RootC♯1stE♯2ndG♯3rdB StrumArpeggio