Chord Progression I-IV

Q: What is the "Two-chord folk" progression?

A chord progression is a sequence of chords that repeats and provides the harmonic foundation of a song. "Two-chord folk" is one of the popular progressions with a distinctive mood and sound.

Q: How do I transpose this progression?

Use the key selector at the top of the page. All chords are automatically recalculated to the chosen key and the fretboard diagrams update accordingly.

Q: Which scales work over this progression?

See the Theory block below: it lists suitable scales and modes for improvisation. Typically these are the scale of the main key and its related modes.

Q: How do I write a song based on this progression?

Choose a tempo and key, add a rhythmic pattern and melody. The progression is a framework: you can build any melody, harmonic decoration and rhythmic variation on top of it.

Simplest progression for folk and country. Tonic and subdominant.

FIV

Key:

BPM

Positions & route

1 / 2

Музыкальный контекст

АккордC MajorТрезвучие

АрпеджиоC Major arpeggioТрезвучие

ГаммаC Major Scale7 нот

ТональностьC MajorМажорная тональность

ПрогрессияTwo-chord folkПоследовательность

Показывает, как текущий элемент связан с ладом, тональностью и используется в музыке.

Theory

General information

Name: Chord Progression I-IV
Type: Major
Chord count: 2 chords
Tonal belonging: Major key
Brief character: Simplest progression for folk and country. Tonic and subdominant.

Progression composition

Degree sequence: I-IV
Chords & functions: ICtonic
IVFsubdominant
Notation variants: I–IV
1–4
C–F

Construction logic

Functional formula: TТоникаS
Movement logic: The simplest harmonic contrast: tonic and subdominant. Enough to create a sense of motion.

How it sounds

Character: Major, bright
Mood: Optimistic, energetic
Stability level: Medium — cyclical structure
Sense of completeness: Incomplete — strives to repeat the cycle

Harmonic functions

ICCenter of gravity, point of resttonic

IVFCreates motion away from tonic, prepares dominantsubdominant

How motion is created

The tonic provides grounding while the subdominant gently moves the harmony away, creating a sense of motion without sharp tension.

Tensions & resolutions

Tension buildup: The progression moves cyclically without pronounced tension points.

Harmonic context

Natural keys: Cmajor Aminor
Transposition: The progression transposes to any key — the structure (Roman numerals) stays the same, only specific chords change.

Progression variability

Replace triads with seventh chords for a richer sound
Try chord inversions for smoother voice leading
Add passing chords between the main degrees

Connections & application

Related chords

Key chords of the progression — visit each chord page for voicings and theory.

CI FIV

Related keys

Keys where this progression is most typical.

Cmajor

Related scales & modes

Scales for melody / soloing

CIonian (major)CHarmonic minor CMinor pentatonic

Modes that reveal individual chords

IC Ionian (major)

IVF Lydian

Application in music

Musical scenarios

Not just a genre list — specific situations where this progression shines.

Beautifully unfolds in fingerstyle arrangements — melody, bass, and harmony in one guitar
Ideal for solo acoustic compositions
Works well for vocal accompaniment in an intimate setting

Genres & styles

Fingerstyle

folk

country

simple

Featured in songs

Knockin' on Heaven's DoorBob Dylan

Wonderful TonightEric Clapton

Horse with No NameAmerica

FearlessPink Floyd

Jane SaysJane's Addiction

Practice

How to play the progression

Learn each chord of the progression separately — make sure every note rings clearly.
Play the full progression without a metronome, focusing on clean transitions.
Set a metronome to 60 BPM and play each chord as whole notes (4 beats per chord).
Use the player at the top of the page for tempo control and an audio reference.

Chord change practice

Isolate each pair of adjacent chords and repeat the transition 10–20 times.
Start slow, increase by 5 BPM only when the transition is stable.
Loop the progression continuously without stopping between repetitions.
Watch for economy of motion — fingers should move as little as possible.

Rhythm work

Start with a simple downstroke on each beat.
Add alternation: down–up on each eighth note.
Try the "Whole → Quarters → Eighths" pattern from the player.
Play arpeggios instead of strumming to develop fingerpicking technique.

Improvising over the progression

Sing the chord tones aloud while playing — this develops your inner ear.
Play a 3–4 note melody over each chord, using notes from the compatible scale.
Try changing the rhythmic pattern of the melody while keeping the same notes.
Record yourself and listen back — this is the best way to assess progress.

Playing in different keys

Use the key selector at the top to see chords in a new key.
Start with nearby keys (±1 accidental): e.g., from C → G or F.
Play the progression 5–10 times in each new key before moving on.
Goal: play the progression in any key without looking at a reference.

Similar progressions

Gospel progression (I-iii-IV-V)

Scales for this style

Ionian (major)Aeolian (natural minor)

What is the "Two-chord folk" progression?

How do I transpose this progression?

Which scales work over this progression?

How do I write a song based on this progression?

Chord Progression I-IV

Simplest progression for folk and country. Tonic and subdominant.

FIV

Key:

BPM

Positions & route

1 / 2

Музыкальный контекст

АккордC MajorТрезвучие

АрпеджиоC Major arpeggioТрезвучие

ГаммаC Major Scale7 нот

ТональностьC MajorМажорная тональность

ПрогрессияTwo-chord folkПоследовательность

Показывает, как текущий элемент связан с ладом, тональностью и используется в музыке.

Theory

General information

Name: Chord Progression I-IV
Type: Major
Chord count: 2 chords
Tonal belonging: Major key
Brief character: Simplest progression for folk and country. Tonic and subdominant.

Progression composition

Degree sequence: I-IV
Chords & functions: ICtonic
IVFsubdominant
Notation variants: I–IV
1–4
C–F

Construction logic

Functional formula: TТоникаS
Movement logic: The simplest harmonic contrast: tonic and subdominant. Enough to create a sense of motion.

How it sounds

Character: Major, bright
Mood: Optimistic, energetic
Stability level: Medium — cyclical structure
Sense of completeness: Incomplete — strives to repeat the cycle

Harmonic functions

ICCenter of gravity, point of resttonic

IVFCreates motion away from tonic, prepares dominantsubdominant

How motion is created

The tonic provides grounding while the subdominant gently moves the harmony away, creating a sense of motion without sharp tension.

Tensions & resolutions

Tension buildup: The progression moves cyclically without pronounced tension points.

Harmonic context

Natural keys: Cmajor Aminor
Transposition: The progression transposes to any key — the structure (Roman numerals) stays the same, only specific chords change.

Progression variability

Replace triads with seventh chords for a richer sound
Try chord inversions for smoother voice leading
Add passing chords between the main degrees

Connections & application

Related chords

Key chords of the progression — visit each chord page for voicings and theory.

CI FIV

Related keys

Keys where this progression is most typical.

Cmajor

Related scales & modes

Scales for melody / soloing

CIonian (major)CHarmonic minor CMinor pentatonic

Modes that reveal individual chords

IC Ionian (major)

IVF Lydian

Application in music

Musical scenarios

Not just a genre list — specific situations where this progression shines.

Beautifully unfolds in fingerstyle arrangements — melody, bass, and harmony in one guitar
Ideal for solo acoustic compositions
Works well for vocal accompaniment in an intimate setting

Genres & styles

Fingerstyle

folk

country

simple

Featured in songs

Knockin' on Heaven's DoorBob Dylan

Wonderful TonightEric Clapton

Horse with No NameAmerica

FearlessPink Floyd

Jane SaysJane's Addiction

Practice

How to play the progression

Learn each chord of the progression separately — make sure every note rings clearly.
Play the full progression without a metronome, focusing on clean transitions.
Set a metronome to 60 BPM and play each chord as whole notes (4 beats per chord).
Use the player at the top of the page for tempo control and an audio reference.

Chord change practice

Isolate each pair of adjacent chords and repeat the transition 10–20 times.
Start slow, increase by 5 BPM only when the transition is stable.
Loop the progression continuously without stopping between repetitions.
Watch for economy of motion — fingers should move as little as possible.

Rhythm work

Start with a simple downstroke on each beat.
Add alternation: down–up on each eighth note.
Try the "Whole → Quarters → Eighths" pattern from the player.
Play arpeggios instead of strumming to develop fingerpicking technique.

Improvising over the progression

Sing the chord tones aloud while playing — this develops your inner ear.
Play a 3–4 note melody over each chord, using notes from the compatible scale.
Try changing the rhythmic pattern of the melody while keeping the same notes.
Record yourself and listen back — this is the best way to assess progress.

Playing in different keys

Use the key selector at the top to see chords in a new key.
Start with nearby keys (±1 accidental): e.g., from C → G or F.
Play the progression 5–10 times in each new key before moving on.
Goal: play the progression in any key without looking at a reference.

Similar progressions

Gospel progression (I-iii-IV-V)

Scales for this style

Ionian (major)Aeolian (natural minor)

What is the "Two-chord folk" progression?

How do I transpose this progression?

Which scales work over this progression?

How do I write a song based on this progression?

Chords & Arpeggios

Scales & Modes

Harmony & Theory

Tools & Practice

Chord Progression I-IV

Positions & route

Музыкальный контекст

Theory

General information

Progression composition

Construction logic

How it sounds

Harmonic functions

Tensions & resolutions

Harmonic context

Progression variability

Connections & application

Related chords

Related keys

Related scales & modes

Application in music

Musical scenarios

Genres & styles

Featured in songs

Practice

How to play the progression

Chord change practice

Rhythm work

Improvising over the progression

Playing in different keys

Related

Frequently Asked Questions

Chord Progression I-IV

Positions & route

Музыкальный контекст

Theory

General information

Progression composition

Construction logic

How it sounds

Harmonic functions

Tensions & resolutions

Harmonic context

Progression variability

Connections & application

Related chords

Related keys

Related scales & modes

Application in music

Musical scenarios

Genres & styles

Featured in songs

Practice

How to play the progression

Chord change practice

Rhythm work

Improvising over the progression

Playing in different keys

Related

Frequently Asked Questions