How to play Gb13: a 13th built on Gb, with 1 voicing, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: played at the first few frets. An X above a string means don't play it; an O means play it open.
Frets from the low E string to the high E string: 2 x 2 3 4 x (x = not played).
| Note | Gb | Bb | Fb | Eb |
|---|---|---|---|---|
| Interval | R | 3 | b7 | 13 |
Gb13 is a 13th with Gb as its root. The full theoretical spelling is Gb, Bb, Db, Fb, Ab, Cb, Eb. This voicing omits the 5th and 9th and 11th, the tones guitarists drop first when fitting a chord onto six strings. A note on 13th chords: the root, 3rd, 7th, and 13th are generally considered sufficient in practice, although the technical definition spells the 9th and 11th as part of the chord too.
Gb13 is a diatonic chord (built from the key's own notes) in 1 major key and 1 minor key. The roman numeral is the chord's place in that key; tap a key for all of its chords.
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Gb13 is spelled Gb, Bb, Db, Fb, Ab, Cb, Eb: the root, 3rd, 5th, flat 7th, 9th, 11th, 13th. The common guitar voicing sounds Gb, Bb, Fb, Eb, leaving out the 5th and 9th and 11th.
Frets from the low E string to the high E string: 2 x 2 3 4 x (x means the string is not played). Fret the low E and D strings at the 2nd fret. Add the G string at the 3rd fret. Add the B string at the 4th fret. Strum from the low E string down, skipping the A and high E strings.
Gb13 belongs to 2 keys: B major (the V chord) and G# minor (the VII).
