Major view
F major
Brightness rank 2/7 (bright)
Characteristic notes
- 7 = E (leading tone, pulls home)
- 4 = Bb (the note that leans on the 3rd)
Johnny Cash - I Walk the Line - Chord
Key F major – D minor Chords A#, F, C7, F7, D#, A#7, G# Easy key A
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Key: F | Dm
Capo: 0
e|-----------------------------|------------------------|
B|-----------------------------|------------------------|
G|-----------------------------|------------------------|
D|---------------------1-----1-|-1----------------------|
A|-------1-----1-1-3-5----1----|---5-3-1-----1-1--------|
E|-1-3-5----1------------------|----------1------5-3-1--|
e|--------------------------------|
B|--------------------------------|
G|--------------------------------|
D|-------------2------------------|
A|-1-1-------3-3-3-1--------3-----|
E|-----1-3-1---------5-3-1-----1--|
C7 F
I keep a close watch on this heart of mine
C7 F
I keep my eyes wide open all the time.
A# F
I keep the ends out for the tie that binds
C7 F
Because you're mine, I walk the line
F7 A#
I find it very, very easy to be true
F7 A#
I find myself alone when each day is through
D# A#
Yes, I'll admit that I'm a fool for you
F7 A#
Because you're mine, I walk the line
A#7 D#
As sure as night is dark and day is light
A#7 D#
I keep you on my mind both day and night
G# D#
And happiness I've known proves that it's right
A#7 D#
Because you're mine, I walk the line
F7 A#
You've got a way to keep me on your side
F7 A#
You give me cause for love that I can't hide
D# A#
For you I know I'd even try to turn the tide
F7 A#
Because you're mine, I walk the line
C7 F
I keep a close watch on this heart of mine
C7 F
I keep my eyes wide open all the time.
A# F
I keep the ends out for the tie that binds
C7 F
Because you're mine, I walk the line
End of song Play again?
Johnny Cash - I Walk the Line Tabs
NotesX
Harmony analysis
Johnny Cash – I Walk the Line: key and chord analysis
The song opens on C7 and ends on F. Its chords belong to both F major and Dm, so every chord below is read both ways.
Minor view
D minor
Brightness rank 5/7 (leaning dark)
Characteristic notes
- b6 = Bb (the minor's melancholy)
- b7 = C (natural-minor colour)
Which side does the ear lean to?
Our reading: to us the song feels closer to the F major side because it comes to rest on F and F is heard 14 times while Dm never appears. That is an interpretation, not a rule — hearing the same chords from D minor is just as valid and teaches you something different.
Chord degrees: major and relative minor
Show the degrees above the chords — relative to F or to Dm; comparing both readings is a practice of its own.
Every chord of the key, listed 1 to 7 separately for each key. Chords played in the song show how often they appear; chords from outside the scale sit next to their own degree.
| Degree | Chord | Role | Notes | In song |
|---|---|---|---|---|
| I | F | Tonic — home | F · A · C | 8× |
| V7/IV | F7 | Secondary dominant V/IV — leads to A#secondary dominant | F · A · C · Eb | 6× |
| ii | Gm | Supertonic — prepares the dominant | G · Bb · D | — |
| bIII | G# | Borrowed from the parallel minorborrowed chord | G# · B# · D# | 1× |
| iii | Am | Mediant — a tonic-family shade | A · C · E | — |
| III | A | Chromatic colour chordoutside the key | A · C# · E | — |
| IV | A# | Subdominant — moves away from home | A# · D · E# | 10× |
| IV7 | A#7 | Chromatic colour chordoutside the key | A# · D · E# · G# | 3× |
| V7 | C7 | Dominant — strongest pull home | C · E · G · Bb | 6× |
| vi | Dm | Relative minor — the melancholy side | D · F · A | — |
| bVII | D# | bVII — borrowed (Mixolydian / parallel minor)borrowed chord | D# · G · A# | 6× |
| vii° | Edim | Leading-tone chord — tension | E · G · Bb | — |
| Degree | Chord | Role | Notes | In song |
|---|---|---|---|---|
| i | Dm | Tonic — home | D · F · A | — |
| bII | D# | Neapolitan bII — a dark, dramatic colour a half step above the tonicborrowed chord | D# · G · A# | 6× |
| ii° | Edim | Supertonic — prepares the dominant | E · G · Bb | — |
| III | F | Relative major — the bright side | F · A · C | 8× |
| V7/VI | F7 | Secondary dominant V/VI — leads to A#secondary dominant | F · A · C · Eb | 6× |
| iv | Gm | Subdominant — moves away from home | G · Bb · D | — |
| #IV | G# | Chromatic colour chordoutside the key | G# · B# · D# | 1× |
| v | Am | Minor dominant — soft pull | A · C · E | — |
| V | A | Dominant — borrowed from harmonic minor, pulls hard to the tonicharmonic minor | A · C# · E | — |
| VI | A# | Submediant — warm colour | A# · D · E# | 10× |
| VI7 | A#7 | Chromatic colour chordoutside the key | A# · D · E# · G# | 3× |
| VII7 | C7 | Subtonic — steps back to the tonic | C · E · G · Bb | 6× |
Analysis
The key pair is F major and its relative D minor (1 flat). 7 different chords appear 40 times in total; 3 of them sit naturally inside the shared scale. F7 acts as a secondary dominant, briefly pointing at another chord of the key. D#, G# are borrowed from the parallel minor, adding a darker shade to the major side.
Chord movement
- C7 F FV7 → Iauthentic cadence DmVII7 → III ×6
- F7 A# FV7/IV → IVsecondary resolution DmV7/VI → VI ×6
- A# F7 FIV → V7/IVplagal cadence DmVI → V7/VI ×4
- A#7 D# FIV7 → bVIIsecondary resolution DmVI7 → bII ×3
- A# F FIV → Iplagal cadence DmVI → III ×2
- D# F7 FbVII → V7/IVbVII → I DmbII → V7/VI ×1
The move to watch is C7 → F, heard 6 times. From the F side it reads V7 → I (authentic cadence: the strongest arrival home); from the Dm side it is VII7 → III. Knowing where these arrivals fall helps you feel the phrasing and anticipate the next chord.
Improvisation tips
- F major pentatonic and D minor pentatonic are the same five notes (F – G – A – C – D): start from F for a brighter phrase, from D for a bluesier one.
- Over A#, land on A#, D, E# — the chord's own tones always sound right on strong beats.
- Over F, land on F, A, C — the chord's own tones always sound right on strong beats.
- Over C7, land on C, E, G — the chord's own tones always sound right on strong beats.
- On D#, follow the chord's notes (D# · G · A#) rather than the key's scale — it's a borrowed colour.
The song on the circle of fifths
- Played in the song — chord of the key
- Played — the minor's harmonic V or a secondary dominant
- Played — borrowed or outside chord
- Home region: IV–I–V and ii–vi–iii
Empty slices are chords the song doesn't use.
Capo and easier keys
With F major shapes
- Capo 1 + E shapes
- Capo 3 + D shapes
- Capo 5 + C shapes
With D minor shapes
- No capo — open Dm shapes
- Capo 5 + Am shapes
Easiest keys on guitar
- 4 semitones up
- 1 semitone down · capo 1 keeps the original pitch
The song's harmonic story
The first chord is C7; the ear learns where home is within a second. The chords that keep coming back are A#, F, C7, F7; read them as IV–I–V7–V7/IV in F or VI–III–VII7–V7/VI in Dm. F7 adds a moment of surprise: secondary dominant V/IV — leads to A#. Keep an ear on C7 → F (V7 → I in F, VII7 → III in Dm): authentic cadence — the strongest arrival home. It closes on F, letting the F side have the last word.
This analysis is generated from the song's chords by akorculuk's harmony engine using consistent rules. When you change key, the degrees stay the same; only the chord names change.
Johnny Cash - I Walk the Line Chords on Guitar, Ukulele and Piano
Hover over or tap a chord in the lyrics for its shapes, its degree in both keys and a listen button. Here you have every chord of the song side by side.
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