How to play Gm7b5: a half-diminished (m7b5) built on G, with 2 ways to play it, 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: 3 x 3 3 2 x (x = not played).
| Note | G | Bb | Db | F |
|---|---|---|---|---|
| Interval | R | b3 | b5 | b7 |
Gm7b5 is a half-diminished (m7b5) with G as its root. The full theoretical spelling is G, Bb, Db, F. This voicing sounds every chord tone.
Gm7b5 is a diatonic chord (built from the key's own notes) in 1 major key and 2 minor keys. The roman numeral is the chord's place in that key; tap a key for all of its chords.
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Gm7b5 is spelled G, Bb, Db, F: the root, minor 3rd, flat 5th, flat 7th. The common guitar voicing sounds every one of them.
Frets from the low E string to the high E string: 3 x 3 3 2 x (x means the string is not played). Fret the B string at the 2nd fret. Add the low E, D and G strings at the 3rd fret. Strum from the low E string down, skipping the A and high E strings.
Gm7b5 belongs to 3 keys: Ab major (the viiø chord), F minor (the iiø) and D minor (the ivø, from the harmonic minor).
