Unforgettable by Natalie Cole

Overview

Key: B♭ major · Chords used: 44 · Sections: 5

Form: Intro → Verse → Verse → Solo → Verse

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.

Key changes

• Solo moves to D♭ major.
• Verse 3 moves to B♭ major.

Section by section

Intro

• F/C – Dm7 – Fmaj7/E – Gm7/D – C7/E – B♭6/F – C6/E – F6 – Ddim – Csus4/G – Gm7 – Cdim – Gm – D7
  V⁶₄ – iii7 – Vmaj⁴₂ – vi⁴₃ – II⁶₅ – I6 (bass F) – II6 (bass E) – V6 – iii° – IIsus4 (bass G) – vi7 – ii° – vi – III7

Verse 1

• F6 – E7/G – C7 – G7 – Cm7 – E♭m7 – B♭ – Ddim – G7 – C13 – B7 – C7
  V6 – #IV7 (bass G) – II7 – VI7 – ii7 – iv7 – I – iii° – VI7 – II13 – #I7 – II7

Verse 2

• F6 – E7/G – C7 – G7 – Cm7 – E♭m7 – B♭ – A♭maj13 – G7 – C7sus4 – C7 – F7sus4 – F7 – B♭ – Gm – E♭m7 – A♭7
  V6 – #IV7 (bass G) – II7 – VI7 – ii7 – iv7 – I – bVIImaj13 – VI7 – II7sus4 – II7 – V7sus4 – V7 – I – vi – iv7 – bVII7

Solo

• D♭6 – C7♭9/D♭ – G♭6 – E♭7 – A♭m9 – C♭m6 – G♭6/D♭ – B♭7sus4 – B♭m7♭5 – E♭7 – A♭9 – A♭ – A♭9 – G7 – A♭7 – C6 – B♭6 – A♭6
  I6 – VII7b9 (bass D♭) – IV6 – II7 – v9 – bvii6 – IV6 (bass D♭) – VI7sus4 – viø7 – II7 – V9 – V – V9 – #IV7 – V7 – VII6 – VI6 – V6

Verse 3

• Fmaj7 – E7/G – C7 – G7 – Cm7 – E♭m7 – B♭ – A♭maj13 – G7 – C7sus4 – C7 – F7sus4 – F7 – B♭ – D♭6 – E6 – D♭6 – B♭add9
  Vmaj7 – #IV7 (bass G) – II7 – VI7 – ii7 – iv7 – I – bVIImaj13 – VI7 – II7sus4 – II7 – V7sus4 – V7 – I – bIII6 – #IV6 – bIII6 – Iadd9

Chord vocabulary

Harmonic highlights

• Cdim (ii°) is borrowed from the parallel key, B♭ minor.
• E♭m7 (iv7) is borrowed from the parallel key, B♭ minor.
• A♭7 (bVII7) is borrowed from the parallel key, B♭ minor.
• D♭6 (bIII6) is borrowed from the parallel key, B♭ minor.
• C6/E acts as V/V: it resolves to F6.
• C7 acts as V/V: it resolves to F7sus4.
• G7 acts as V/ii: it resolves to Cm7.
• E♭7 acts as V/V: it resolves to A♭9.

Sources & accuracy

• Chords and sections: the McGill Billboard Project (Burgoyne, Wild & Fujinaga, 2011). Expert transcription by trained musicians (song 0982, 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.