Major 13 chords use these degrees of the major scale: 1, 3, 5, 7, 9, 11 and 13, though the 11th is usually left out.
The notes of F Major 13 are: F, A, C, E, G, (Bb), D
Our inversion uses the notes in this order: F, C, D, E, A
Major 13 chords can also be written Δ13, so F Major 7, F maj13 and FΔ13 all refer to the same guitar chord.
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