Chordsly

Song 1

Progression 1

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Pop Classic

Pop

I – V – vi – IV

The most common progression in modern pop.

50s Progression

Pop

I – vi – IV – V

A timeless, nostalgic sound used across decades.

Emotional Pop

Pop

vi – IV – I – V

Melancholic and introspective. Great for ballads.

Pop Anthem

Pop

I – IV – V – IV

Bright and uplifting. Common in stadium pop.

Minor Pop

Pop

i – VI – III – VII

Dark but catchy. Popularised by alt-pop artists.

Rock Anthem

Rock

I – V – IV – V

Energetic and driving. Built for arenas.

Rock Ballad

Rock

vi – IV – I – V

Emotional and anthemic. Works in minor or major.

Rock Staple

Rock

I – bVII – IV – V

The bVII adds a raw, slightly modal flavour.

Power Progression

Rock

I – IV – I – V

Four chords, maximum impact. Heard in countless rock classics.

Minor Rock

Rock

i – bVII – bVI – bVII

A darker, heavier sound. Great for hard rock and metal.

Jazz Standard

Jazz

ii – V – I – vi

Dm7

Cmaj7

Am7

The ii–V–I is the foundation of jazz harmony.

Rhythm Changes

Jazz

I – vi – ii – V

Cmaj7

Am7

Dm7

Borrowed from Gershwin. A bebop staple.

Jazz Turnaround

Jazz

ii – V – I

Dm7

Cmaj7

A classic ending phrase that loops back to the top.

Minor ii–V–i

Jazz

ii° – V – i

Dm7

Am7

The minor key equivalent of the most essential jazz movement.

Autumn Leaves

Jazz

ii – V – I – IV – vii° – III – vi

Dm7

Cmaj7

Fmaj7

Bm7

Am7

The classic descending cycle-of-fifths heard in the jazz standard.

12-Bar Blues

Blues

I – IV – I – V – IV – I

The cornerstone of blues, rock, and R&B.

Blues Turnaround

Blues

I – IV – V – IV

A short loop with classic blues tension.

Minor Blues

Blues

i – iv – i – v – iv – i

Am7

Dm7

Am7

Dm7

Am7

Darker and moodier than the standard 12-bar.

Quick Change Blues

Blues

I – IV – I – I – IV – IV – I – I – V – IV – I – V

A variation of the 12-bar with an early IV chord.

Jazz Blues

Blues

I7 – IV7 – I7 – V7 – IV7 – I7

Cmaj7

The blues form enriched with jazz extensions.

Classic Country

Country

I – IV – V – I

Simple, honest, and immediately recognisable.

Country Ballad

Country

I – V – vi – IV

A heartfelt, storytelling progression.

Country Gospel

Country

I – IV – I – V

A warm, hymn-like sound rooted in Southern tradition.

Outlaw Country

Country

I – bVII – IV – I

Gritty and direct. Favoured by outlaw and Americana artists.

Country Minor

Country

i – VII – VI – VII

A minor-key twist on country, lending a darker emotional tone.

Smooth R&B

R&B

I – IV – vi – V

Cmaj7

Fmaj7

Am7

Silky and soulful. A go-to for contemporary R&B.

Soulful

R&B

vi – IV – V – I

Am7

Fmaj7

Cmaj7

A minor-leaning groove with plenty of soul.

Neo-Soul

R&B

I – iii – IV – V

Cmaj7

Em7

Fmaj7

Lush and introspective. A staple of neo-soul and modern R&B.

R&B Ballad

R&B

I – vi – ii – V

Cmaj7

Am7

Dm7

Slow, emotive, and rich in feeling.

Funk Groove

R&B

I7 – IV7

Tight and rhythmic. Built on the tension of dominant chords.

Euphoric

Electronic

I – V – vi – IV

The classic drop progression. Enormous in festival and trance tracks.

Trance Loop

Electronic

vi – IV – I – V

A hypnotic minor-to-major loop. A staple of progressive trance.

Ambient Drift

Electronic

I – IV – vi – IV

Slow-moving and atmospheric. Built for texture over rhythm.

Dark Pulse

Electronic

i – bVII – bVI – bVII

Brooding and relentless. Common in industrial and dark techno.

Retrowave

Electronic

I – vi – IV – V

A warm, nostalgic loop inspired by 80s synth and lo-fi beats.

Traditional Folk

Folk

I – IV – V – I

The backbone of acoustic folk and traditional music worldwide.

Minor Folk

Folk

i – VII – VI – VII

A mournful, story-driven sound rooted in Celtic and Appalachian traditions.

Folk Ballad

Folk

I – V – vi – IV

Tender and narrative. Common in singer-songwriter and folk-pop.

Hopeful Folk

Folk

I – IV – V – vi

Bright and forward-moving. Ends on the relative minor for a touch of longing.

Folk Waltz

Folk

I – V – IV – I

A gentle, lilting progression suited to waltz time and fingerpicked guitar.

Classic Hip-Hop

Hip-Hop

I – IV – I – V

Cmaj7

Fmaj7

Cmaj7

A timeless loop used across decades of hip-hop production.

Melancholic Rap

Hip-Hop

vi – IV – I – V

Am7

Fmaj7

Cmaj7

A brooding minor-leaning loop common in introspective rap and lo-fi.

Dark Trap

Hip-Hop

vi – IV – vi – V

Am7

Fmaj7

Am7

Minimal and ominous. Built for hard-hitting 808s and dark lyrics.

Boom Bap

Hip-Hop

i – VII – VI – VII

Am7

Fmaj7

Gritty and soulful. The sound of 90s New York hip-hop.

Upbeat Hip-Hop

Hip-Hop

I – V – IV – V

Cmaj7

Fmaj7

Energetic and party-ready. Common in mainstream and party rap.

Salsa

Latin

I – IV – V – I

Driving and joyful. The harmonic engine of Cuban son and salsa.

Bossa Nova

Latin

ii – V – I – IV

Dm7

Cmaj7

Fmaj7

Smooth and sophisticated. The harmonic signature of Brazilian bossa nova.

Flamenco

Latin

vi – V – IV – iii

The Andalusian cadence — ancient, intense, and deeply expressive.

Bolero

Latin

I – vi – IV – V

Cmaj7

Am7

Fmaj7

Lush and romantic. The harmonic language of Latin ballads and bolero.

Cumbia

Latin

I – IV – I – V

Infectious and rhythmic. The pulse of Colombian cumbia and Latin pop.

Classic Soul

Soul

I – IV – V – I

Cmaj7

Fmaj7

Cmaj7

Warm and full of feeling. The harmonic heart of Motown and classic soul.

Soul Ballad

Soul

I – vi – IV – V

Cmaj7

Am7

Fmaj7

Rich and emotive. Built for slow tempos and soaring vocals.

Gospel Soul

Soul

I – IV – I – V

Cmaj7

Fmaj7

Cmaj7

Uplifting and spirited. Rooted in the church and the Southern soul tradition.

Dark Soul

Soul

vi – IV – I – vi

Am7

Fmaj7

Cmaj7

Am7

Introspective and heavy. Draws from the deeper, more troubled side of soul.

Funky Soul

Soul

I7 – IV7 – I7 – IV7

Groove-heavy and syncopated. Where soul meets funk on the dancefloor.

Blues Groove

Blues

I7 – IV7 – I7 – V7

A tight, swinging loop built for shuffle grooves and blues jams.

Uplifting Blues

Blues

I – IV – V – I

A major-key stomp with a joyful, gospel-touched spirit.

Hopeful Blues

Blues

I – V – IV – I

Warm and optimistic. A major blues that looks forward rather than back.

Dark Blues

Blues

i – iv – bVII – i

Am7

Dm7

Am7

A brooding minor-key descent with a raw, menacing edge.

Nostalgic Blues

Blues

I – vi – IV – V

The 50s changes with a bluesy warmth. Timeless and bittersweet.

Hopeful Country

Country

I – V – IV – I

Bright and forward-moving. A feel-good country anthem in the making.

Nostalgic Country

Country

I – vi – IV – V

A wistful, bittersweet sound that recalls simpler times and open roads.

Country Romance

Country

I – V – vi – IV

Tender and intimate. The harmonic language of a country love song.

Dark Country

Country

i – VII – VI – III

Shadowy and unsettling. The sound of a murder ballad or Americana noir.

Country Groove

Country

I – IV – V – IV

A driving shuffle that gets boots stomping. Lively and danceable.

Dancefloor Groove

Electronic

I – IV – V – IV

A four-on-the-floor groove built for peak-time dancefloor energy.

Sunrise

Electronic

I – V – IV – I

Bright and anthemic. The sound of a breakdown that builds into pure elation.

Melancholic Electronic

Electronic

vi – IV – I – V

A slow-burning minor loop for introspective electronic and downtempo music.

Deep House Romance

Electronic

I – vi – IV – V

Lush and cinematic. Inspired by deep house and dream-pop crossovers.

Tension Build

Electronic

vi – V – IV – V

A relentless minor loop that builds suspense before the drop.

Chill Folk

Folk

I – IV – I – V

Gentle and unhurried. Perfect for fingerpicked acoustic sessions by a fire.

Dark Folk

Folk

i – VII – VI – v

Rooted in the shadowy tradition of murder ballads and old protest songs.

Folk Stomp

Folk

I – IV – V – IV

A fast-strumming, foot-stomping energy suited to jigs and reels.

Folk Groove

Folk

I – V – I – IV

A rhythmic, syncopated feel with Celtic and Appalachian influence.

Modal Folk

Folk

i – VII – iv – i

Stark and unsettling. Drawn from old modal folk traditions and dark ballads.

Dreamy Lo-Fi

Hip-Hop

I – iii – IV – V

Cmaj7

Em7

Fmaj7

Hazy and ethereal. The quintessential late-night lo-fi beat.

Hopeful Hip-Hop

Hip-Hop

I – IV – V – I

Cmaj7

Fmaj7

Cmaj7

Uplifting and gospel-tinged. The sound of triumph over adversity.

Nostalgic Hip-Hop

Hip-Hop

I – vi – IV – V

Cmaj7

Am7

Fmaj7

A sample-ready loop with a warm, vintage feel. Made for flipping old records.

Hip-Hop Romance

Hip-Hop

I – IV – vi – V

Cmaj7

Fmaj7

Am7

Smooth and tender. The sound of a hip-hop love song.

Triumph

Hip-Hop

I – V – vi – IV

Cmaj7

Am7

Fmaj7

Anthemic and triumphant. Built for victory laps, comebacks, and big moments.

Dark Jazz

Jazz

i – iv – V – i

Am7

Dm7

Am7

A brooding minor cadence with a shadowy, cinematic quality.

Jazz Funk

Jazz

I – ii – IV – V

Cmaj7

Dm7

Fmaj7

Hard-bop energy meets funk groove. Built for head-nodding and dancing.

Hopeful Jazz

Jazz

I – IV – ii – V

Cmaj7

Fmaj7

Dm7

Bright and warmly optimistic. A major jazz sound full of forward motion.

Golden Age Jazz

Jazz

I – IV – iii – vi

Cmaj7

Fmaj7

Em7

Am7

A ballad-tempo loop evoking the supper clubs and smoky rooms of the golden age.

Jazz Romance

Jazz

I – iii – IV – V

Cmaj7

Em7

Fmaj7

Lush and intimate. The harmonic language of a candlelit jazz ballad.

Latin Hope

Latin

I – IV – V – vi

Bright and joyful, ending on the relative minor for a touch of longing.

Melancholic Latin

Latin

vi – IV – I – V

Am7

Fmaj7

Cmaj7

Wistful and bittersweet. A minor-leaning bolero-inspired sound.

Golden Latin

Latin

I – vi – IV – V

Cmaj7

Am7

Fmaj7

A warm, vintage sound recalling golden-age Latin ballads and mambo orchestras.

Latin Anthem

Latin

I – V – vi – IV

Euphoric and celebratory. The sound of a Latin festival at its peak.

Tango

Latin

i – bII – V – i

Passionate and dramatic. The harmonic tension of Argentine tango.

Dark Pop

Pop

vi – bVII – I – vi

Brooding and cinematic. Inspired by alt-pop, synth noir, and shadow pop.

Groovy Pop

Pop

I – IV – V – IV

A funk-infused pop groove built for the dancefloor and feel-good playlists.

Hopeful Pop

Pop

I – V – IV – I

Optimistic and forward-moving. The sound of a feel-good pop anthem.

Nostalgic Pop

Pop

I – vi – ii – V

A wistful, retro-tinged loop that conjures memories and warm feelings.

Romantic Pop

Pop

I – iii – IV – V

Tender and intimate. The harmonic signature of a pop love song.

Dark R&B

R&B

vi – IV – vi – V

Am7

Fmaj7

Am7

Moody and intense. The shadowy sound of contemporary alternative R&B.

R&B Funk

R&B

I7 – IV7 – V7 – IV7

Tight and funky. Where classic R&B meets the dancefloor.

Nostalgic R&B

R&B

I – vi – IV – V

Cmaj7

Am7

Fmaj7

A sample-ready loop with a warm vintage soul flavour drawn from classic R&B.

Tense R&B

R&B

ii – V – vi – IV

Dm7

Am7

Fmaj7

Slow-burning and suspenseful. Built on unresolved harmonic tension.

Uplifting R&B

R&B

I – IV – V – I

Cmaj7

Fmaj7

Cmaj7

Joyful and celebratory. Gospel-influenced contemporary R&B at its most radiant.

Dark Rock

Rock

i – bVI – bVII – i

Heavy and oppressive. The sound of grunge, doom rock, and post-punk.

Rock Groove

Rock

I7 – IV7 – I7 – V7

A bluesy, funky rock groove built on dominant sevenths and swagger.

Hopeful Rock

Rock

I – V – IV – I

Bright and anthemic. The sound of a feel-good rock chorus built to soar.

Nostalgic Rock

Rock

I – vi – IV – V

A warm, vintage sound recalling the classic rock of the 70s and 80s.

Rock Romance

Rock

I – IV – vi – V

Tender and cinematic. The sound of a classic rock power ballad.

Chill Soul

Soul

I – iii – IV – V

Cmaj7

Em7

Fmaj7

Smooth and unhurried. A late-night, laid-back soul groove for quiet moments.

Dreamy Soul

Soul

I – ii – IV – V

Cmaj7

Dm7

Fmaj7

Lush and floaty. Inspired by quiet storm soul and late-night radio.

Nostalgic Soul

Soul

I – IV – vi – V

Cmaj7

Fmaj7

Am7

A warm, vintage sound drawing on the great soul recordings of the 60s and 70s.

Tense Soul

Soul

vi – ii – V – vi

Am7

Dm7

Am7

Slow-building and unresolved. Deep soul at its most emotionally turbulent.

Soul Romance

Soul

I – iii – vi – IV

Cmaj7

Em7

Am7

Fmaj7

Intimate and tender. The heartfelt harmonic language of soul love songs.

Glossary

Arpeggio

Playing the notes of a chord one at a time in sequence rather than simultaneously, from the Italian 'arpeggiare' (to play the harp).

Augmented

A chord with a raised (augmented) fifth. Has an unstable, dreamlike quality that creates tension.

Borrowed Chord

A chord taken from a parallel key — for example, using a minor iv chord in a major key, borrowed from the parallel minor. A common type of non-diatonic chord.

BPM

Beats Per Minute — the tempo of a piece of music. Higher BPM means faster playback.

Chord

Two or more notes played simultaneously. The foundation of harmony in music.

Diatonic

Belonging to the notes or chords of the current key. A diatonic chord uses only notes found within the scale of the key.

Diatonic Chord

A chord whose root and quality are both derived from the current key's scale — for example, a minor chord built on the second degree of a major scale.

Diatonic Root

A root note that belongs to the scale of the current key. Chords built on diatonic roots can have diatonic qualities within the key.

Diminished

A chord built from stacked minor thirds. Has a tense, dissonant sound often used for dramatic effect.

Dominant 7th

A major chord with a minor seventh added. Creates tension that wants to resolve — central to blues and jazz.

Dyadic

A chord made up of two notes — also called a power chord or interval. Common in rock and pop.

Interval

The distance between two notes, measured in scale degrees. Common intervals include the third (defines chord quality — major or minor), the fifth (adds stability), the seventh (adds colour and tension), and the octave (the same note one register higher).

Key

The tonal centre of a piece of music, defined by a root note and a mode (e.g. C major, A minor). The key determines which notes and chords naturally belong to the music.

Major

A chord quality with a bright, happy sound. Built with a major third and a perfect fifth.

Major 7th

A major chord with a major seventh added. Has a smooth, sophisticated sound common in jazz and soul.

Minor

A chord quality with a darker, more melancholic sound. Built with a minor third and a perfect fifth.

Minor 7th

A minor chord with a minor seventh added. Warm and mellow — widely used in jazz, R&B and neo-soul.

Mode

A type of scale defined by a specific pattern of intervals. The two most common modes are major (bright, happy) and minor (darker, more melancholic).

Non-Diatonic

Outside the notes or chords of the current key. Non-diatonic elements add colour, tension, or surprise by stepping outside the key.

Non-Diatonic Chord

A chord that does not naturally occur in the current key — either because its root is outside the scale, or because its quality doesn't match the expected diatonic quality for that root.

Non-Diatonic Root

A root note that does not belong to the scale of the current key. Chords built on non-diatonic roots are always non-diatonic.

Octave

The interval between one note and the next note of the same name, double the frequency. Determines the register of playback.

Parallel Key

A key that shares the same root note but has a different mode — for example, C major and C minor are parallel keys. Borrowed chords are often taken from a parallel key.

Patch

The instrument sound used for playback, synthesised in the browser using the Web Audio API.

Pentadic

A chord made up of five notes, such as ninth chords. Common in jazz and R&B.

Progression

A sequence of chords played in order. Progressions form the harmonic backbone of a song.

Root

The note that a chord is built on and named after. For example, in a C major chord, C is the root.

Scale

A set of notes arranged in ascending or descending order, defined by a pattern of intervals. The notes of a scale form the basis for the chords and melodies in a given key.

Suspended

A chord where the third is replaced by a second or fourth. Creates an open, unresolved sound.

Tetradic

A chord made up of four notes, such as seventh chords. Adds colour and complexity to harmony.

Triadic

A chord made up of three notes — the most common chord structure, formed by stacking two thirds.

Voicing

A specific arrangement of a chord's notes across different octaves or orderings. Same chord, different feel.

Progressions

Progression 1

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Songs

Song 1

May 12, 2026 · 1 progression

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Octave 4

Arpeggio

Metronome

BPM100