Nightshift by Commodores
Piano chords, voicings & structure breakdown · 70 steps · 7 unique chords · 1980s
A♭
Whole song transcribed by
Harmonic Analysis & Structure
Overview
Key: A♭ major · Chords used: 7 · Sections: 9
Form: Instrumental → Verse → Pre-Chorus → Chorus → Instrumental → Verse → Pre-Chorus → Chorus → 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
Instrumental 1
- A♭ – Fm – D♭ – E♭ – D♭add9 – A♭ – E♭
I – vi – IV – V – IVadd9 – I – V
Verse 1
- A♭ – Fm
I – vi - D♭ – E♭ (×2)
IV – V - A♭ – Fm – D♭ – E♭ – D♭add9 – E♭
I – vi – IV – V – IVadd9 – V
Pre-Chorus 1
- Fm – B♭m – E♭ – Fm – B♭m – D♭maj7
vi – ii – V – vi – ii – IVmaj7
Chorus 1
- A♭ – Fm – D♭ – E♭ – D♭ – A♭ – E♭ – A♭ – Fm
I – vi – IV – V – IV – I – V – I – vi - D♭ – E♭ (×2)
IV – V - A♭ – Fm – D♭ – E♭
I – vi – IV – V
Instrumental 2
- A♭ – Fm – D♭ – E♭
I – vi – IV – V
Verse 2
- A♭ – Fm – D♭ – E♭ – D♭add9 – E♭ (×2)
I – vi – IV – V – IVadd9 – V
Pre-Chorus 2
- Fm – B♭m – E♭ – Fm – B♭m – D♭maj7 – A♭
vi – ii – V – vi – ii – IVmaj7 – I
Chorus 2
- A♭ – Fm – D♭ – E♭ – D♭ (×2)
I – vi – IV – V – IV - E♭ – Fm
V – vi
Chorus 3
- A♭ – Fm – D♭ – E♭ – D♭ (×2)
I – vi – IV – V – IV - A♭ – E♭ – A♭
I – V – I
Chord vocabulary
| Chord | Roman numeral | Role | Heard in |
|---|---|---|---|
| A♭ | I | Home chord (tonic) | Instrumental, Verse, Chorus, Pre-Chorus |
| Fm | vi | In the key | Instrumental, Verse, Pre-Chorus, Chorus |
| D♭ | IV | In the key | Instrumental, Verse, Chorus |
| E♭ | V | In the key | Instrumental, Verse, Pre-Chorus, Chorus |
| D♭add9 | IVadd9 | In the key | Instrumental, Verse |
| B♭m | ii | In the key | Pre-Chorus |
| D♭maj7 | IVmaj7 | In the key | Pre-Chorus |
Sources & accuracy
- Chords and sections: the McGill Billboard Project (Burgoyne, Wild & Fujinaga, 2011). Expert transcription by trained musicians (song 0992, 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 0992, CC0), via ChoCo.
All Piano Voicings
| # | Section | Chord | Left hand | Right hand | Sources |
|---|---|---|---|---|---|
| 1 | Instrumental 1 | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |
| 2 | Instrumental 1 | Fm | F2, C3 | C4, F4, A♭4 | — |
| 3 | Instrumental 1 | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 4 | Instrumental 1 | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 5 | Instrumental 1 | D♭add9 | D♭2, A♭2 | A♭3, E♭4, F4 | — |
| 6 | Instrumental 1 | A♭ | A♭2, E♭3 | A♭3, C4, E♭4 | — |
| 7 | Instrumental 1 | E♭ | E♭2, B♭2 | G3, B♭3, E♭4 | — |
| 8 | Verse 1, part 1 | A♭ | A♭2, E♭3 | A♭3, C4, E♭4 | — |
| 9 | Verse 1, part 1 | Fm | F2, C3 | A♭3, C4, F4 | — |
| 10 | Verse 1, part 2 (×2) | D♭ | D♭2, A♭2 | A♭3, D♭4, F4 | — |
| 11 | Verse 1, part 2 (×2) | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 12 | Verse 1, part 3 | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |
| 13 | Verse 1, part 3 | Fm | F2, C3 | C4, F4, A♭4 | — |
| 14 | Verse 1, part 3 | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 15 | Verse 1, part 3 | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 16 | Verse 1, part 3 | D♭add9 | D♭2, A♭2 | A♭3, E♭4, F4 | — |
| 17 | Verse 1, part 3 | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 18 | Pre-Chorus 1 | Fm | F2, C3 | C4, F4, A♭4 | — |
| 19 | Pre-Chorus 1 | B♭m | B♭2, F3 | D♭4, F4, B♭4 | — |
| 20 | Pre-Chorus 1 | E♭ | E♭2, B♭2 | E♭4, G4, B♭4 | — |
| 21 | Pre-Chorus 1 | Fm | F2, C3 | F4, A♭4, C5 | — |
| 22 | Pre-Chorus 1 | B♭m | B♭2, F3 | F4, B♭4, D♭5 | — |
| 23 | Pre-Chorus 1 | D♭maj7 | D♭2, A♭2 | F4, A♭4, C5 | — |
| 24 | Chorus 1, part 1 | A♭ | A♭2, E♭3 | E♭4, A♭4, C5 | — |
| 25 | Chorus 1, part 1 | Fm | F2, C3 | F4, A♭4, C5 | — |
| 26 | Chorus 1, part 1 | D♭ | D♭2, A♭2 | F4, A♭4, D♭5 | — |
| 27 | Chorus 1, part 1 | E♭ | E♭2, B♭2 | E♭4, G4, B♭4 | — |
| 28 | Chorus 1, part 1 | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 29 | Chorus 1, part 1 | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |
| 30 | Chorus 1, part 1 | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 31 | Chorus 1, part 1 | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |
| 32 | Chorus 1, part 1 | Fm | F2, C3 | C4, F4, A♭4 | — |
| 33 | Chorus 1, part 2 (×2) | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 34 | Chorus 1, part 2 (×2) | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 35 | Chorus 1, part 3 | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |
| 36 | Chorus 1, part 3 | Fm | F2, C3 | C4, F4, A♭4 | — |
| 37 | Chorus 1, part 3 | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 38 | Chorus 1, part 3 | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 39 | Instrumental 2 | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |
| 40 | Instrumental 2 | Fm | F2, C3 | C4, F4, A♭4 | — |
| 41 | Instrumental 2 | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 42 | Instrumental 2 | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 43 | Verse 2 (×2) | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |
| 44 | Verse 2 (×2) | Fm | F2, C3 | C4, F4, A♭4 | — |
| 45 | Verse 2 (×2) | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 46 | Verse 2 (×2) | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 47 | Verse 2 (×2) | D♭add9 | D♭2, A♭2 | A♭3, E♭4, F4 | — |
| 48 | Verse 2 (×2) | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 49 | Pre-Chorus 2 | Fm | F2, C3 | C4, F4, A♭4 | — |
| 50 | Pre-Chorus 2 | B♭m | B♭2, F3 | D♭4, F4, B♭4 | — |
| 51 | Pre-Chorus 2 | E♭ | E♭2, B♭2 | E♭4, G4, B♭4 | — |
| 52 | Pre-Chorus 2 | Fm | F2, C3 | F4, A♭4, C5 | — |
| 53 | Pre-Chorus 2 | B♭m | B♭2, F3 | F4, B♭4, D♭5 | — |
| 54 | Pre-Chorus 2 | D♭maj7 | D♭2, A♭2 | F4, A♭4, C5 | — |
| 55 | Pre-Chorus 2 | A♭ | A♭2, E♭3 | E♭4, A♭4, C5 | — |
| 56 | Chorus 2, part 1 (×2) | A♭ | A♭2, E♭3 | E♭4, A♭4, C5 | — |
| 57 | Chorus 2, part 1 (×2) | Fm | F2, C3 | F4, A♭4, C5 | — |
| 58 | Chorus 2, part 1 (×2) | D♭ | D♭2, A♭2 | F4, A♭4, D♭5 | — |
| 59 | Chorus 2, part 1 (×2) | E♭ | E♭2, B♭2 | E♭4, G4, B♭4 | — |
| 60 | Chorus 2, part 1 (×2) | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 61 | Chorus 2, part 2 | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 62 | Chorus 2, part 2 | Fm | F2, C3 | C4, F4, A♭4 | — |
| 63 | Chorus 3, part 1 (×2) | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |
| 64 | Chorus 3, part 1 (×2) | Fm | F2, C3 | C4, F4, A♭4 | — |
| 65 | Chorus 3, part 1 (×2) | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 66 | Chorus 3, part 1 (×2) | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 67 | Chorus 3, part 1 (×2) | D♭ | D♭2, A♭2 | D♭4, F4, A♭4 | — |
| 68 | Chorus 3, part 2 | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |
| 69 | Chorus 3, part 2 | E♭ | E♭2, B♭2 | B♭3, E♭4, G4 | — |
| 70 | Chorus 3, part 2 | A♭ | A♭2, E♭3 | C4, E♭4, A♭4 | — |