ChordFlow

Chord Progression Builder

I–vi–IV–V: Classic Doo-Wop in G

I–vi–IV–V is classic because it balances stability with a gentle emotional dip. In G, moving from G to Em shares two notes, so the shift feels like a soft shadow rather than a hard change. C then opens the sound, and D provides dominant push that makes the return to G feel inevitable. That functional clarity is why this loop works for doo-wop, early rock, and modern throwback ballads, and why it is such a friendly ukulele strumming progression. Keep your melody mostly on chord tones and it will sound written right away. For more color, turn D into D7 for extra pull, or arpeggiate the Em to emphasize its bittersweet quality. On keys, keep the top note common between chords; smooth voice leading makes the nostalgia feel effortless instead of cheesy.

Key
G major
Tempo
84 BPM
Groove
ballad
Open in BuilderMore ballad

Play it on guitar

Start slow, keep your right hand steady, and aim for clean changes on the downbeats. Once it’s comfortable, add a groove and increase tempo.

Capo suggestion: try capo 0 and play in G shapes for open chords.

Chords: G – Em – C – D

Roman numerals & theory

Roman numerals describe the chord’s function relative to the key. This helps you transpose the “shape” to any key without memorizing new chord names.

In G major: I–vi–IV–V

Variations (keep the progression, change the feel)

  • • Add 7ths for color (try maj7 on I, m7 on vi, and V7 before resolving).
  • • Use a sus4 resolve on the V chord (e.g. Gsus4 → G) to create tension and release.
  • • Change the rhythm instead of the chords: try anticipations (hit the next chord on the “and” of 4).
  • • Arpeggiate the top notes to create a hook while the harmony stays the same.
  • • Borrow a darker chord for contrast (in a major key, try iv for one bar before returning).

Related

More balladMore in G majorLearn guitar progressions

FAQ

What chords are in I–vi–IV–V: Classic Doo-Wop in G?
In G major, a common spelling is: G – Em – C – D. Use the “Open in Builder” button to hear it with a groove and adjust tempo.
What key is this progression in?
This page’s example is in G major. You can transpose the idea to other keys (often with a capo) while keeping the same progression shape.
How do I play this progression on guitar?
Start with clean chord changes at a slow BPM. For open chords, try capo 0 and play in G shapes, then increase tempo once the groove feels steady.
How can I make it sound more interesting?
Keep the progression but add movement: sus4 resolves, 7ths, or a stronger V7 before returning to I. Rhythm and dynamics usually create the biggest “upgrade” on guitar.
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Your Progression

Select a chord below to start building your progression

Drums: 75%
Humanize
Sustain: 95%
BPM: 120
Bar — / —
Key: C major
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