Guitar chords · Half-diminished 7th
Am7♭5 chord on guitar (Am7b5)
Am7♭5 (A A diminished triad with a minor 7th added, written m7♭5 or ø7. It is the ii chord of a minor key. 7th) has four notes: A, C, E♭ and G, the The note a chord is named after and built up from. C is the root of C, Cm and C7., ♭3, ♭5 and ♭7.
Shapes
How to play Am7♭5
Strum a shape to hear it, or pick it one string at a time. R marks the The note a chord is named after and built up from. C is the root of C, Cm and C7.; the other numbers are the chord tones.
Am7♭5 has an A chord played near the nut that uses some unfretted strings, such as the open G, C or Em., and one A chord or scale fingering with no open strings. Slide it up or down the neck and it changes its root but not its type: a major shape stays major.: the E shape at The metal strips across the neck, and the spaces between them. Each fret raises a string by one half step. 5. A movable shape keeps its fingering anywhere on the neck: slide it up or down and the The note a chord is named after and built up from. C is the root of C, Cm and C7., on the lowest played string, names the chord.
Open (A shape)
E shape · fret 5
Notes and formula
What makes Am7♭5 half-diminished 7th
A A diminished triad with a minor 7th added, written m7♭5 or ø7. It is the ii chord of a minor key. A triad with one more 3rd on top, the 7th, which makes four notes: G7, Cmaj7 and Am7 are seventh chords. is a A chord with a minor 3rd and a flattened 5th, written °. It sounds tense, and is the vii° chord of a major key. A three-note chord stacked in 3rds: a root, a 3rd and a 5th. Major, minor, diminished and augmented chords are triads. with a minor 7th added, also written ø7. It is the vii chord of a major key with sevenths, and the ii chord of a minor key, where it leads into V in a minor ii–V–i.
- 1Root: the note the chord is named after. Keep it.
- 3Essential: makes the chord what it is. Never drop it.
- 5Optional: drop it first when you run out of fingers.
The ♭3rd, the ♭5th and the ♭7th make Am7♭5 a A diminished triad with a minor 7th added, written m7♭5 or ø7. It is the ii chord of a minor key. A triad with one more 3rd on top, the 7th, which makes four notes: G7, Cmaj7 and Am7 are seventh chords..
- ARroot
- C♭3essential
- E♭♭5essential
- G♭7essential
- A, the root
- Other chord tones
Am7♭5 usually leads to D7 and then Gm: the iiø7–V7–i of G minor.
Keys
Keys with Am7♭5
Am7♭5 belongs to two keys: B♭ major (viiø7) and G minor (iiø7).
Numerals follow the key's own scale, so III, VI and VII in a minor key are its own major chords. A ♭ or ♯ in front marks a chord from outside the key. How Roman numerals work
Progressions
Progressions with Am7♭5
Common progressions that use Am7♭5, each in a key that spells it Am7♭5. The outlined chord is Am7♭5.
Minor ii–V–i in G minor
iiø7 – V7 – i7
- Am7♭5
- D7
- Gm7
Half-diminished ii, dominant V7 and back to the minor tonic.
Heard in Blue Bossa, Autumn Leaves
Slash chords
Am7♭5 over another bass note
A A chord with a different note in the bass, written after a slash: C/E is a C chord with E as its lowest note. The letter after the slash is the bass. keeps Am7♭5 on top and puts another note in the bass: the letter after the slash is the lowest note you play.
- Am7♭5/C
Am7♭5 with its ♭3rd, C, in the bass: the first inversion.
- Am7♭5/E♭
Am7♭5 with its ♭5th, E♭, in the bass: the second inversion.
- Am7♭5/G
Am7♭5 with its ♭7th, G, in the bass: the third inversion.
Same root
Other chords on A
Change one or two notes and the same The note a chord is named after and built up from. C is the root of C, Cm and C7. gives a different colour. Compare them by ear.
- A major
- Am minor
- A7 dominant 7th
- Amaj7 major 7th
- Am7 minor 7th
- Asus2 suspended 2nd
- Asus4 suspended 4th
- A6 major 6th
- Am6 minor 6th
- Aadd9 add 9
- A9 dominant 9th
- Amaj9 major 9th
- Am9 minor 9th
- A13 dominant 13th
- Amaj13 major 13th
- Am11 minor 11th
- A° diminished
- A°7 diminished 7th
- A+ augmented
- A5 power chord
- A7sus4 dominant 7th suspended 4th
- Am(maj7) minor major 7th
- A6/9 six-nine
- Am(add9) minor add 9
- A7♯9 dominant 7th sharp 9th
Questions
Am7♭5, in short
- What notes are in the Am7♭5 chord?
- Am7♭5 (A A diminished triad with a minor 7th added, written m7♭5 or ø7. It is the ii chord of a minor key. 7th) has four notes: A, C, E♭ and G, the The note a chord is named after and built up from. C is the root of C, Cm and C7., ♭3, ♭5 and ♭7.
- How do you play Am7♭5 on guitar?
- Am7♭5 has an A chord played near the nut that uses some unfretted strings, such as the open G, C or Em., and one A chord or scale fingering with no open strings. Slide it up or down the neck and it changes its root but not its type: a major shape stays major.: the E shape at The metal strips across the neck, and the spaces between them. Each fret raises a string by one half step. 5.
- What key is Am7♭5 in?
- Am7♭5 belongs to two keys: B♭ major (viiø7) and G minor (iiø7).