Major Chords

C: x32010

D: xx0232

E: 022100

F: xx3211

G: 320003

A: x02220

—

Minor Chords

Am: x02210

Bm: xx4432

Dm: xx0231

Em: 022000

Dominant 7th Chords

C7: x32310

D7: xx0212

E7: 020100

G7: 320001

A7: x02020

B7: x21202

—

Other 7th Chords

Cmaj7: x32000

Dmaj7: xx0222

Dm7: xx0211

Emaj7: 021100

Em7: 020000

Fmaj7: xx3210

Gmaj7: 320002

Amaj7: x02120

Am7: x02010

Bm7: x20202

—

Sus and Add9 Chords

Cadd9: x32033 or x32030

Csus2: x30013

Dsus2: xx0230

Dsus4: xx0233

D7sus4: xx0213

Eadd9: 022002

Esus4: 022200

E7sus4: 020200

Fadd9: xx3213

Fsus2: xx3011

Fsus4: xx3311

Gsus4: 320013

Gsus2: 300233

Gadd9: 3×0203

G7sus4: 320011

Asus2: x02200

Asus4: x02230

A7sus4: x02030

B7sus4: x24252

Bm9: x20222

—

Slash Chords

C/B: x23010

C/G: 332010

D/F#: 2x023x

D/A: x00232

E/B: x22100

F/A: x03211

F/C: x33211

G/B: x20003

G/D: xx0003

A/C#: x42220

A/E: 002220

—

Option 1: Back-and-Forth Drill (A/B Switching)

Format: ||: Am | Am7 :||
Purpose:

Build muscle memory

Hear subtle differences

Focus on finger mechanics and sound

Best For:

Isolated chord vocabulary training

Students learning new shapes or voicings

Use Cases:

Major ↔ Sus2 (e.g., G ↔ Gsus2)

Minor ↔ Min7 (e.g., Am ↔ Am7)

Major ↔ Add9 (e.g., C ↔ Cadd9)

—

Option 2: Functional Progression Context

Format: ||: Csus2 | G :||
Purpose:

Apply chord in musical context

Hear harmonic function

Practice smooth voice leading

Best For:

Making sus2 or add9 chords musical

Connecting “weird” chords to familiar progressions

Building repertoire-like instincts

Use Cases:

Cadd9 → G

Dsus2 → A

Asus2 → D

Fadd9 → C

Am7 → E7