Add Chords
Discover the shimmery, open sound of add chords - enriched triads that add color tones without the complexity of seventh chords.
Theory Fundamentals
What Are Add Chords?
- •Definition: Triads with an added tone (9th, 11th, or 2nd) but NO 7th degree
- •Formula (add9): Root + Major 3rd + Perfect 5th + Major 9th (same as 2nd, up an octave)
- •Formula (add11): Root + Major 3rd + Perfect 5th + Perfect 11th (same as 4th, up an octave)
- •Key Distinction: Unlike 9th chords, add chords omit the 7th - Cadd9 (C-E-G-D) vs C9 (C-E-G-Bb-D)
- •Sound Quality: Open, shimmery, bright - richer than a triad but cleaner than extended chords
Musical Applications
- •Acoustic Pop/Rock: Staple of Oasis, Coldplay, U2, and modern singer-songwriters
- •Worship & Ambient: Open ringing voicings create wide, atmospheric textures
- •Folk & Country: Fingerpicked add9 arpeggios for gentle, colorful accompaniment
- •Indie & Alternative: Replacing plain major chords for a more sophisticated, dreamy feel
Understanding Add Chord Construction
Cadd9 Example
- • Root: C (1st degree)
- • Major 3rd: E (3rd degree)
- • Perfect 5th: G (5th degree)
- • Major 9th: D (2nd/9th degree)
- • Result: C-E-G-D (no B, no 7th)
Add vs Extended Chords
- • Cadd9 = C-E-G-D (triad + 9th, no 7th):
- • C9 = C-E-G-Bb-D (dominant 7th + 9th):
- • Cmaj9 = C-E-G-B-D (major 7th + 9th):
- • Add chords are simpler: just a triad plus one note
- • The missing 7th keeps the sound clean and open:
Variations & Naming
- • add9: Most common - triad plus the 9th (= 2nd up an octave)
- • add2: Same pitches as add9, but 2nd placed close to root
- • add11: Triad plus the 11th (= 4th up an octave)
- • add(#11): Triad plus raised 11th for Lydian color
- • Minor add9: Minor triad + 9th (e.g., Cm(add9) = C-Eb-G-D)
Essential Open Add Chord Voicings
Start Here
These open-position add9 shapes are among the most used chords in modern guitar. Many require just one extra finger added to a familiar shape.
Cadd9
Notes: C-E-G-D (x32030)
Fingering: Based on open C shape, lift pinky to open 3rd string
Use: Extremely common in pop/rock, pairs with G and D
Gadd9
Notes: G-B-D-A (320203)
Fingering: Open G shape with 2nd fret on 1st string
Use: Classic acoustic voicing, Oasis and Wonderwall staple
Dadd9
Notes: D-F#-A-E (x54030 or x00230)
Fingering: Open D with open 1st string ringing
Use: Bright, shimmery open voicing for ballads and pop
Eadd9
Notes: E-G#-B-F# (022102)
Fingering: Open E shape with added 2nd fret on 1st string
Use: Full, resonant voicing for rock and folk
Aadd9
Notes: A-C#-E-B (x02420)
Fingering: Based on open A with pinky on 4th fret of 3rd string
Use: Beautiful ringing chord for fingerpicking
Barre & Movable Add Chord Shapes
Next Steps
These movable shapes let you play add chords in any key up the neck. Learn the root-note shapes and slide them to the fret you need.
Fadd9
Notes: F-A-C-G (xx3213)
Fingering: Partial barre F shape with 3rd fret on 4th string
Use: Common in pop progressions with C and G
Bbadd9
Notes: Bb-D-F-C (x13311)
Fingering: Barre shape at 1st fret with add9 note
Use: Jazz-pop voicing, smooth R&B progressions
Em(add9)
Notes: E-G-B-F# (022002)
Fingering: Open Em with 2nd fret on 4th string lifted
Use: Haunting minor color, great for ambient and indie
Am(add9)
Notes: A-C-E-B (x02210)
Fingering: Open Am shape with open 2nd string
Use: Melancholy but shimmery, perfect for arpeggios
Dm(add9)
Notes: D-F-A-E (xx0221)
Fingering: Open Dm with open 1st string ringing
Use: Adds gentle dissonance to minor chord, singer-songwriter favorite
Common Add Chord Progressions
Wonderwall Pattern (Oasis Style)
Chord Sequence
Em7
vi
Gadd9
I(add9)
Dsus4
V(sus4)
A7sus4
ii(7sus4)
Strumming Pattern
D DU UDU
Driving acoustic strum with add9 color
Tempo: 85-95 BPM
Feel: Anthemic, soaring, emotional
Genre: Britpop, Indie Rock
Wonderwall-Style Add9 Progression
The iconic Oasis-style pattern built on add9 and sus voicings. The added 9th gives the major chords a wider, more emotional quality than plain triads.
Modern Pop Ballad
Chord Sequence
Cadd9
I(add9)
Gadd9
V(add9)
Am(add9)
vi(add9)
Fadd9
IV(add9)
Strumming Pattern
D - DU - DU
Gentle fingerpicking or light strumming
Tempo: 70-85 BPM
Feel: Warm, open, intimate
Genre: Pop Ballad, Singer-Songwriter
Pop Ballad Add9 Progression (Cadd9-Gadd9-Am(add9)-Fadd9)
Replace every triad with its add9 version for a lush, shimmering pop sound. The 9th acts like a common tone linking the chords together smoothly.
U2 / Ambient Rock Pattern
Chord Sequence
Dadd9
I(add9)
A
V
Em
ii
Gadd9
IV(add9)
Strumming Pattern
D - - U - U D U
Delay-drenched arpeggiated picking
Tempo: 100-120 BPM
Feel: Wide, atmospheric, soaring
Genre: Alternative Rock, Post-Punk
Ambient Rock Add9 Pattern
Arpeggiated add9 chords with dotted-eighth delay create The Edge's signature wide, shimmering soundscape. Let all strings ring openly.
Coldplay / Worship Progression
Chord Sequence
Gadd9
I(add9)
Dadd9
V(add9)
Em(add9)
vi(add9)
Cadd9
IV(add9)
Strumming Pattern
D - DU - DU D -
Building dynamic strum, quiet to loud
Tempo: 68-78 BPM
Feel: Uplifting, expansive, emotional
Genre: Alternative Pop, Worship
Worship-Style Add9 Progression (Gadd9-Dadd9-Em(add9)-Cadd9)
A Coldplay-inspired progression where every chord includes the 9th. The open strings and added notes create a wash of harmonics that builds beautifully with dynamics.
Practice Tips for Chord Progressions
Technique Focus
- • Keep common tones ringing when switching between add9 chords - the added 9th often stays the same
- • Practice lifting just one finger to convert standard open chords to their add9 versions
- • Use hybrid picking (pick + fingers) to bring out the added 9th note in arpeggios
- • Let open strings ring as much as possible - the beauty of add chords is in the sustained overtones
Musical Application
- • Replace any major chord with its add9 for instant sophistication without extra complexity
- • Pair add9 chords with delay and reverb effects for atmospheric, ambient textures
- • Use add9 chords in intros and outros to create a signature sound
- • Combine add9 with sus4 voicings for dynamic tension-and-release movement within a progression
Famous Songs Using Add Chords
Iconic Add9 in Rock & Pop
- • "Wonderwall" - Oasis (Em7-Gadd9-Dsus4-A7sus4 throughout)
- • "Yellow" - Coldplay (Gadd9 arpeggios define the intro)
- • "With or Without You" - U2 (Dadd9 with delay-driven arpeggios)
- • "Good Riddance (Time of Your Life)" - Green Day (Gadd9-Cadd9-D)
- • "Everlong" - Foo Fighters (add9 power chord voicings in drop D)
Add Chords in Acoustic & Folk
- • "Tears in Heaven" - Eric Clapton (add9 voicings in fingerpicked intro)
- • "Fast Car" - Tracy Chapman (Cadd9-G-Em-D pattern)
- • "Free Fallin'" - Tom Petty (Dadd9 and Dsus4 interplay)
- • "Collide" - Howie Day (Cadd9-based acoustic progression)
- • "Hey There Delilah" - Plain White T's (Dadd9 fingerpicking throughout)
Practice Exercises
Building Add Chord Fluency
These exercises progress from simple chord conversions to full add9 chord progressions with arpeggios and strumming patterns.
Exercise 1: Triad to Add9 Conversion
Pattern: C - Cadd9 - C | G - Gadd9 - G | D - Dadd9 - D | Am - Am(add9) - Am
Start with a standard open chord, add the 9th by adding or lifting one finger, then return. Repeat each pair 8 times before moving on. The goal is to make the add9 feel like a natural extension of the triad.
Notice which finger moves for each conversion. For Cadd9, you lift the pinky off the 1st string. For Gadd9, you add a finger on the 1st string 3rd fret.
Exercise 2: Add9 Arpeggio Picking
Fingerpick: Cadd9 (5-4-3-2-1-2-3-4) | Gadd9 (6-4-3-2-1-2-3-4) | Em(add9) (6-5-4-3-2-1)
Arpeggiate each add9 chord slowly, letting every note ring. Listen for the shimmer the 9th adds compared to the plain triad. Use thumb for bass strings (6-5-4) and fingers for treble (3-2-1).
Record yourself playing the same arpeggio with and without the add9 note to hear the difference clearly.
Exercise 3: Full Add9 Progression Workout
Play: Gadd9 (2 bars) - Cadd9 (2 bars) - Em(add9) (2 bars) - Dadd9 (2 bars). Repeat with strumming, then fingerpicking, then hybrid picking.
This is the most common add9 progression in modern pop. Practice at 70 BPM first, then build to 100 BPM. Focus on smooth voice leading - identify the notes that stay the same between chord changes.
In this progression, the note D appears in Gadd9, Dadd9, and can ring through Cadd9 and Em(add9). Use this as an anchor tone.
Advanced Add Chord Concepts
Creative Add Chord Techniques
- • Minor add9: Cm(add9) = C-Eb-G-D creates a bittersweet, Radiohead-style sound
- • Add11 voicings: Cadd11 = C-E-G-F, but beware of the b9 interval between 3rd and 11th
- • Stacked add chords: Layer add9 with sus4 for complex textures (e.g., Gadd9/sus4)
- • Drop D add chords: Open 6th string as bass pedal under add9 shapes for massive sound
- • Nashville number system: Use 'add9' notation to communicate these chords in sessions
Add Chords in Composition & Arranging
- • Voice leading: The 9th often acts as a common tone between I(add9) and V(add9)
- • Orchestration: In a band context, let the guitarist play add9 while keys play the triad to avoid mud
- • Capo magic: Capo 2 with Cadd9/Gadd9 shapes gives Dadd9/Aadd9 with open-string resonance
- • Recording: Double-track add9 voicings panned left/right for a massive stereo spread
- • Contrast: Alternate between add9 and plain triads across verse/chorus for dynamic shift
Continue Your Chord Journey
Now that you understand add chords, explore how they connect to other chord types. Add chords sit between simple triads and complex extended harmony.
Major Chords
Review the triads that form the foundation of every add chord.
Review major chords →Suspended Chords
Compare add chords with sus chords - both add color, but sus replaces the 3rd while add keeps it.
Explore suspended chords →Extended Chords
Take the next step from add chords into 9ths, 11ths, and 13ths that include the 7th.
Learn extended chords →