Guitar chords in the key of C# or Db:
Chord Db13 (9th fret) notes: Db, Cb, F, Bb and Eb. (Cb=B).
You should not play the 5th string.
This chord is played by placing a barre on fret nine with your index finger.
Db13 - Db(C#) dominant 13th guitar chord.
1(C#/Db), 3(F), 5(G#/Ab), b7(B/Cb), 9(D#/Eb), 13(A#/Bb).