Lo-fi · Intermediate · major key
Lo-fi loop (IVmaj7–iii7–ii7–Imaj7)
IVmaj7 – iii7 – ii7 – Imaj7 — Gentle, descending 7th chords — the relaxed sound of lo-fi study beats.
Easiest guitar key: G major
Chord shapes in G major (standard tuning)
Using a different tuning? Open it in the Looper — it finds playable shapes for whatever tuning you choose.
How the chords work
Written in Roman numerals, this progression is IVmaj7 – iii7 – ii7 – Imaj7 — in C major that is Fmaj7 – Em7 – Dm7 – Cmaj7. Each numeral is a step of the scale; upper case is a major chord, lower case minor.
- IVmaj7 — a bright, open chord a fourth above home — the "amen" chord.
- iii7 — a gentle minor chord that shares two notes with I.
- ii7 — a soft minor chord that leads towards V (a "pre-dominant").
- Imaj7 — the home chord — the progression feels finished when it lands here.
Lo-fi loop (IVmaj7–iii7–ii7–Imaj7) in all 12 keys
| Key | Chords | Hear / play |
|---|---|---|
| C major | Fmaj7Em7Dm7Cmaj7 | Looper |
| G major | Cmaj7Bm7Am7Gmaj7 | Looper |
| D major | Gmaj7F#m7Em7Dmaj7 | Looper |
| A major | Dmaj7C#m7Bm7Amaj7 | Looper |
| E major | Amaj7G#m7F#m7Emaj7 | Looper |
| B major | Emaj7D#m7C#m7Bmaj7 | Looper |
| F# major | Bmaj7A#m7G#m7F#maj7 | Looper |
| Db major | Gbmaj7Fm7Ebm7Dbmaj7 | Looper |
| Ab major | Dbmaj7Cm7Bbm7Abmaj7 | Looper |
| Eb major | Abmaj7Gm7Fm7Ebmaj7 | Looper |
| Bb major | Ebmaj7Dm7Cm7Bbmaj7 | Looper |
| F major | Bbmaj7Am7Gm7Fmaj7 | Looper |
Practice ideas
- Beginners: play one strum per chord and say the chord names out loud, then two strums, then a steady down-down-up-up-down-up pattern.
- Change keys with a capo: keep the G major shapes and move a capo up — the capo calculator shows which fret gives the key you want.
- Solo over it: loop it in the Looper and improvise with the G major pentatonic or G major scale — the scale pages show every position and play a backing track.
- Train your ear: the progression ear trainer mixes this with similar progressions until you can tell them apart.
Similar progressions
- Major circle of fifths I – IV – vii° – iii – vi – ii – V – I
- Extended Canon turnaround I – V – vi – iii – IV – I – ii – V
- Royal Road full cadence IVmaj7 – V7 – iii7 – vi – ii7 – V7 – I – I
- Gospel walk-up I – ii – iii – IV – V
- Stepwise I–ii–iii–IV I – ii – iii – IV
- Falling IV–iii–ii–I IV – iii – ii – I
← Neo-soul ii9–V9–Imaj9 · Mixolydian rock (I–♭VII–IV–I) →
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Questions
What chords are in the IVmaj7 – iii7 – ii7 – Imaj7 progression?
In G major: Cmaj7 – Bm7 – Am7 – Gmaj7. In C major / A minor: Fmaj7 – Em7 – Dm7 – Cmaj7. The table on this page lists all 12 keys.
What is the best key to play IVmaj7 – iii7 – ii7 – Imaj7 on guitar?
G major uses the most open-position chord shapes in standard tuning. Use a capo with those shapes to reach other keys.