Learn › The 6-4-1-5 Chord Progression (vi-IV-I-V)
New Released in April 2026
The 6-4-1-5 Chord Progression (vi-IV-I-V)
The 6-4-1-5 chord progression (vi-IV-I-V) in C is Am – F – C – G. Same four chords as the pop loop, starting on the minor one for a darker feel. Below it is written out in all 12 keys, for piano and guitar.
No account, no download. The demo has limited content. Advanced features are in ChordRunner Premium.
- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
The 6-4-1-5 progression in all 12 keys
| Key | Chords |
|---|---|
| C major | Am – F – C – G |
| D flat major | Bbm – Gb – Db – Ab |
| D major | Bm – G – D – A |
| E flat major | Cm – Ab – Eb – Bb |
| E major | C#m – A – E – B |
| F major | Dm – Bb – F – C |
| F sharp major | D#m – B – F# – C# |
| G major | Em – C – G – D |
| A flat major | Fm – Db – Ab – Eb |
| A major | F#m – D – A – E |
| B flat major | Gm – Eb – Bb – F |
| B major | G#m – E – B – F# |
6-4-1-5 in C major on the piano
Each chord uses the shape nearest to the one before, so the hand barely moves.
How to practise the 6-4-1-5 progression
- Play it in C, four slow beats per chord, saying each name.
- Then take it to G and F, and on to the harder keys.
- Repeat until the changes need no thought, then go faster.
Loop 6-4-1-5 in ChordRunner
Type Am – F – C – G into ChordRunner and it loops while you play it on a MIDI keyboard, or a piano or guitar by microphone (advanced feature in ChordRunner Premium).
Play the demoCommon questions
What is the 6-4-1-5 chord progression?
It is the chords built on degrees vi-IV-I-V of a key. In C: Am – F – C – G; in G: Em – C – G – D.
How do I play 6-4-1-5 on piano and guitar?
Find the key, take its chords vi-IV-I-V, and use the nearest shape of each chord. On guitar, Am – F – C – G uses easy shapes in C.
Can I loop the 6-4-1-5 progression while I practise?
Yes. In ChordRunner you type a progression and it loops while you play on a USB MIDI keyboard, or a piano or guitar through the microphone (advanced feature in ChordRunner Premium).
Which key is easiest for 6-4-1-5?
On the piano, C major: its chords use 0 black keys in total. The hardest is F sharp major, with 10. Start easy, then move to the others.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
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