Unchained Melody by The Righteous Brothers
Piano chords, voicings & structure breakdown · 33 steps · 8 unique chords · 1960s
C
Whole song transcribed by
Harmonic Analysis & Structure
Overview
Key: C major · Chords used: 8 · Sections: 5
Form: Verse → Chorus → Bridge → Verse → Chorus
Where these chords come from: an expert transcription of the original recording made for the McGill Billboard Project (Burgoyne, Wild & Fujinaga, 2011). This page shows that transcription as-is: the analysis below is generated directly from it by code, not written by AI. Consecutive repeats of a chord are shown once, and the piano voicings are our playable arrangement of each chord symbol, not a note-for-note transcription.
Section by section
Verse 1
- C – Am – F – G – C – Am – G (×2)
I – vi – IV – V – I – vi – V
Chorus 1
- C – G – Am – Em – F – G – C – C7
I – V – vi – iii – IV – V – I – I7
Bridge
- F – G – F – E♭ – F – G – C (×2)
IV – V – IV – bIII – IV – V – I
Verse 2
Same chords as Verse 1.
Chorus 2
- C – G – Am – Em – F – G – C – Am – F – Fm – C
I – V – vi – iii – IV – V – I – vi – IV – iv – I
Chord vocabulary
| Chord | Roman numeral | Role | Heard in |
|---|---|---|---|
| C | I | Home chord (tonic) | Verse, Chorus, Bridge |
| Am | vi | In the key | Verse, Chorus |
| F | IV | In the key | Verse, Chorus, Bridge |
| G | V | In the key | Verse, Chorus, Bridge |
| Em | iii | In the key | Chorus |
| C7 | I7 | Outside the key (chromatic) | Chorus |
| E♭ | bIII | Borrowed from C minor | Bridge |
| Fm | iv | Borrowed from C minor | Chorus |
Harmonic highlights
- E♭ (bIII) is borrowed from the parallel key, C minor.
- Fm (iv) is borrowed from the parallel key, C minor.
Sources & accuracy
- Chords and sections: the McGill Billboard Project (Burgoyne, Wild & Fujinaga, 2011). Expert transcription by trained musicians (song 0587, CC0), via ChoCo.
- Not verified: only one expert transcription of this song is available so far.
- Rhythm and chord durations aren't shown; each step is one chord change.
Sources & Accuracy
Every chord on this page comes from the expert transcription listed first below. Piano voicings are our arrangement of the reported chord symbols, not a note-for-note transcription.
- the McGill Billboard Project (Burgoyne, Wild & Fujinaga, 2011)Expert transcription
Annotated from the original recording by trained musicians for a published research dataset.
Expert transcription by trained musicians (song 0587, CC0), via ChoCo.
All Piano Voicings
| # | Section | Chord | Left hand | Right hand | Sources |
|---|---|---|---|---|---|
| 1 | Verse 1 (×2) | C | C2, G2 | C4, E4, G4 | — |
| 2 | Verse 1 (×2) | Am | A2, E3 | C4, E4, A4 | — |
| 3 | Verse 1 (×2) | F | F2, C3 | C4, F4, A4 | — |
| 4 | Verse 1 (×2) | G | G2, D3 | B3, D4, G4 | — |
| 5 | Verse 1 (×2) | C | C2, G2 | C4, E4, G4 | — |
| 6 | Verse 1 (×2) | Am | A2, E3 | C4, E4, A4 | — |
| 7 | Verse 1 (×2) | G | G2, D3 | B3, D4, G4 | — |
| 8 | Chorus 1 | C | C2, G2 | C4, E4, G4 | — |
| 9 | Chorus 1 | G | G2, D3 | B3, D4, G4 | — |
| 10 | Chorus 1 | Am | A2, E3 | C4, E4, A4 | — |
| 11 | Chorus 1 | Em | E2, B2 | B3, E4, G4 | — |
| 12 | Chorus 1 | F | F2, C3 | C4, F4, A4 | — |
| 13 | Chorus 1 | G | G2, D3 | B3, D4, G4 | — |
| 14 | Chorus 1 | C | C2, G2 | C4, E4, G4 | — |
| 15 | Chorus 1 | C7 | C2, G2 | B♭3, E4, G4 | — |
| 16 | Bridge (×2) | F | F2, C3 | C4, F4, A4 | — |
| 17 | Bridge (×2) | G | G2, D3 | B3, D4, G4 | — |
| 18 | Bridge (×2) | F | F2, C3 | C4, F4, A4 | — |
| 19 | Bridge (×2) | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 20 | Bridge (×2) | F | F2, C3 | C4, F4, A4 | — |
| 21 | Bridge (×2) | G | G2, D3 | B3, D4, G4 | — |
| 22 | Bridge (×2) | C | C2, G2 | C4, E4, G4 | — |
| 23 | Chorus 2 | C | C2, G2 | C4, E4, G4 | — |
| 24 | Chorus 2 | G | G2, D3 | B3, D4, G4 | — |
| 25 | Chorus 2 | Am | A2, E3 | C4, E4, A4 | — |
| 26 | Chorus 2 | Em | E2, B2 | B3, E4, G4 | — |
| 27 | Chorus 2 | F | F2, C3 | C4, F4, A4 | — |
| 28 | Chorus 2 | G | G2, D3 | B3, D4, G4 | — |
| 29 | Chorus 2 | C | C2, G2 | C4, E4, G4 | — |
| 30 | Chorus 2 | Am | A2, E3 | C4, E4, A4 | — |
| 31 | Chorus 2 | F | F2, C3 | C4, F4, A4 | — |
| 32 | Chorus 2 | Fm | F2, C3 | C4, F4, A♭4 | — |
| 33 | Chorus 2 | C | C2, G2 | C4, E4, G4 | — |