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Chord & Fret

Bmaj13 — major thirteenth

Notes in Bmaj13: B – D# – F# – A# – C# – G#Formula: 1 – 3 – 5 – 7 – 9 – 13

In the formula, the numbers count steps of the major scale starting from the note that names the chord; "b" lowers a half step, "#" raises one — and a slash names the bass note.

The tallest major extension: major seventh, ninth and thirteenth over the triad. It sounds full and settled, with a wide shine on top.

The same chord on all four instruments

Bmaj13, 7 6 6 6 7 6Bmaj136211131BD#G#C#F#A#
Guitar
Bmaj13, 7 6 6 6 7 6Bmaj136211131BD#G#C#F#A#
Electric guitar
Bmaj13, 6 8 0 8Bmaj136123G#D#BA#
Cavaquinho
Bmaj13, 3 3 4 2Bmaj132341A#D#G#B
Ukulele

Where to use it: The last chord of ballads, jazz and MPB — an ending that rests without sounding plain.

The shapes of Bmaj13 don't end on this page — the whole neck holds dozens. In Chord & Fret, you check it note by note, playing any shape as an arpeggio; open every variation on the neck, grouped by bass note; and change the tuning — the shape rewrites itself. Start free. Unlock everything with Pro. Plays offline.

See the whole neck in Chord & Fret →

Part of the Extended family.

Other chords in this family

Bmaj9B9Bm9Bm11B13Bmaj9(#11)B11Bmaj11Bm13Bm(maj9)

See all chord types and qualities →