Songwriting Tools

Chord Progression
Generator

Discover chord progressions used in hit songs. Generate progressions by genre, learn the Nashville Number System, and find the perfect chords for your next song.

Chord Progression Generator

Generate chord progressions by genre, transpose to any key, and discover progressions used in hit songs.

Key

Scale

Genre

Roman Numeral NotationNashville Number System

Chords in C Major

Mood

Uplifting, Anthemic

Used In

Let It BeDon't Stop Believin'With or Without You

Genres

PopRockCountry

Understanding Chord Progressions

A chord progression is the backbone of every song — it's the sequence of chords that creates the harmonic foundation supporting the melody and lyrics. Whether you're writing pop, hip hop, jazz, or rock, understanding chord progressions is essential for songwriting.

Great chord progressions create emotional resonance and movement. The same progression can sound melancholic in a minor key or uplifting in a major key. Learning to recognize and use common progressions helps you write songs faster and understand why your favorite songs sound the way they do.

Chord progressions are typically written using Roman numerals (the Nashville Number System), which allows you to transpose the same progression to any key. For example, the progression I-V-vi-IV works in every key and has been used in thousands of hit songs — from "Let It Be" by The Beatles to "Don't Stop Believin'" by Journey to "Someone Like You" by Adele.

The Nashville Number System Explained

The Nashville Number System is a method of transcribing chord progressions using numbers instead of chord names. Each number represents a chord built on a scale degree. This system was developed in Nashville studios in the 1950s to allow session musicians to quickly transpose songs to different keys.

Major Scale Chords

I — Major (tonic, home chord)
ii — Minor (subdominant minor)
iii — Minor (mediant)
IV — Major (subdominant)
V — Major (dominant)
vi — Minor (submediant)
vii° — Diminished (leading tone)

Capital Roman numerals represent major chords, while lowercase numerals represent minor chords. The superscript ° indicates a diminished chord. This system allows any musician to play the same progression in any key — if you write a song in C major but need to perform it in G major for a vocalist, the progression I-V-vi-IV simply becomes G-D-Em-C instead of C-G-Am-F.

Popular Chord Progressions in Hit Songs

These progressions have been used in countless hits across decades and genres.

I — V — vi — IV

ii — V — I

Jazz Standard

The foundation of jazz harmony. This progression creates strong harmonic motion and is found in thousands of jazz standards and contemporary songs.

"Autumn Leaves""Fly Me to the Moon""Satin Doll" — Duke Ellington

I — vi — IV — V

50s/60s Classic

The progression that defined 1950s and 60s pop music. Also known as the "doo-wop progression" for its use in vocal harmony groups.

"Stand By Me" — Ben E. King"Every Breath You Take" — The Police"Blue Moon"

How to Use Chord Progressions in Your Songs

Chord progressions are the harmonic foundation of your song. Here's how to use them effectively in your songwriting process:

1. Start with Genre and Mood

Choose a genre preset that matches your song's style. Pop progressions tend to be bright and catchy, while hip hop progressions are often darker and more repetitive. The genre influences which chord progressions will sound natural.

2. Pick a Key That Suits Your Voice

Use the key selector to transpose the progression to a range that's comfortable for your vocal range. Most male vocalists prefer keys like C, G, or D, while female vocalists often prefer G, A, or C. The Nashville Number System makes transposing effortless.

3. Loop the Progression and Write Melody

Play the chord progression on loop using piano or guitar. Hum or sing melodies over the chords until you find something catchy. Many songwriters record themselves improvising melodies and then pick the best takes.

4. Experiment with Variations

Once you have a base progression, try variations: change one chord, extend the progression by adding a chord, or use different progressions for verse and chorus. "Someone Like You" by Adele uses vi-IV-I-V instead of I-V-vi-IV, giving it a different emotional quality.

5. Build the Arrangement

Add rhythm, dynamics, and instrumentation to bring the progression to life. The same progression can sound intimate with solo piano or anthemic with a full band. Experiment with strumming patterns, arpeggios, and rhythmic variations.

Frequently Asked Questions

Everything you need to know about chord progressions and music theory.

What is a chord progression?

A chord progression is a sequence of chords played in a specific order that forms the harmonic foundation of a song. Chord progressions create the emotional mood and structure that supports the melody and lyrics.

What are the most common chord progressions?

The most common chord progressions include: I-V-vi-IV (used in countless pop songs like "Let It Be" and "Don't Stop Believin'"), vi-IV-I-V (used in "Someone Like You"), and ii-V-I (the jazz standard progression). These progressions work across genres because they create pleasing harmonic motion.

What is the Nashville Number System?

The Nashville Number System is a method of writing chord progressions using Roman numerals (I, ii, iii, IV, V, vi, vii°) instead of specific chord names. This allows musicians to transpose songs easily — the progression I-V-vi-IV works in any key. Capital numerals indicate major chords, lowercase indicate minor chords.

How do I use chord progressions in my songs?

Start by selecting a key and genre that matches your song's mood. Generate a progression and play it on piano or guitar. Use the progression as the foundation for your verse and chorus, or experiment with variations between sections. Many hit songs use the same progression throughout, changing only the melody and rhythm.

Can I use these chord progressions in my music?

Yes! Chord progressions cannot be copyrighted — only specific melodies and lyrics. The I-V-vi-IV progression has been used in thousands of songs. Feel free to use any progression from this generator in your original compositions.

How do I transpose a chord progression to a different key?

Use the key selector in the tool to instantly transpose any progression. The Roman numeral notation (I-V-vi-IV) stays the same, but the actual chords change. For example, I-V-vi-IV in C major is C-G-Am-F, but in G major it becomes G-D-Em-C. The Nashville Number System makes transposing simple.