19 Again by Janet Jackson

Overview

Key: C major · Chords used: 22 · Sections: 16

Where these chords come from: an expert transcription of the original recording made for the Uspop2002 chord annotations (Music and Audio Research Lab, New York University). 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

Part 1 (0:00)

• C – G – Am7 – F (×2)
  I – V – vi7 – IV
• C – G9
  I – V9

Part 2 (0:15)

• C – G/B – Am7 – F – C – G – Am7 – F – C – G9
  I – V⁶ – vi7 – IV – I – V – vi7 – IV – I – V9

Part 3 (0:29)

• C – E7 – Am9 – D7 – Dm7 – C/E – F – Dm11/G – F – C/E – Dm – C
  I – III7 – vi9 – II7 – ii7 – I⁶ – IV – ii11 (bass G) – IV – I⁶ – ii – I

Part 4 (0:43)

• G/B – B♭ – Fadd9/G – Gadd9/A – B♭ – F – F/C – C
  V⁶ – bVII – IVadd9 (bass G) – Vadd9 (bass A) – bVII – IV – IV⁶₄ – I

Part 5 (0:58)

• G/B – B♭ – Fadd9/G – Gadd9/A – B♭ – F – Fadd9/G – G – Dm7
  V⁶ – bVII – IVadd9 (bass G) – Vadd9 (bass A) – bVII – IV – IVadd9 (bass G) – V – ii7

Part 6 (1:13)

• G/D – C – G/B – Am7 – F – C – G – Am7 – F – C – G9
  V⁶₄ – I – V⁶ – vi7 – IV – I – V – vi7 – IV – I – V9

Part 7 (1:27)

• C – E7 – Am9 – D7 – Dm7 – C/E – F – Dm11/G – F – C/E – Dm
  I – III7 – vi9 – II7 – ii7 – I⁶ – IV – ii11 (bass G) – IV – I⁶ – ii

Part 8 (1:41)

• C – G/B – B♭ – Fadd9/G – Gadd9/A – B♭ – F – C
  I – V⁶ – bVII – IVadd9 (bass G) – Vadd9 (bass A) – bVII – IV – I

Part 9 (1:56)

• G/B – B♭ – Fadd9/G – Gadd9/A – B♭ – F – Fadd9/G – G
  V⁶ – bVII – IVadd9 (bass G) – Vadd9 (bass A) – bVII – IV – IVadd9 (bass G) – V

Part 10 (2:11)

• Dm7 – G/D – C – G/B – Am7 – F – C – G – Am7 – F – C
  ii7 – V⁶₄ – I – V⁶ – vi7 – IV – I – V – vi7 – IV – I

Part 11 (2:26)

• G9 – C – E7 – Am7 – D7
  V9 – I – III7 – vi7 – II7

Part 12 (2:41)

• Dm7 – C/E – F – Dm11/G – F – C/E – Dm – C – G
  ii7 – I⁶ – IV – ii11 (bass G) – IV – I⁶ – ii – I – V

Part 13 (2:54)

• Am7 – F – C – G (×2)
  vi7 – IV – I – V
• C – G
  I – V

Part 14 (3:09)

• Am7 – F – C – G – Am7 – F – C – G7 – C
  vi7 – IV – I – V – vi7 – IV – I – V7 – I

Part 15 (3:24)

• Csus4 – Fadd9/C – G9sus4/C – C
  Isus4 – IVadd9 (bass C) – V9sus4 (bass C) – I

Part 16 (3:38)

• C
  I

Chord vocabulary

Harmonic highlights

• B♭ (bVII) is borrowed from the parallel key, C minor.
• E7 acts as V/vi: it resolves to Am9.
• The Part 1 (0:00) loops C – G – Am7 – F (I – V – vi7 – IV), a rotation of the “axis” progression (I–V–vi–IV family).

Sources & accuracy

• Chords: the Uspop2002 chord annotations (Music and Audio Research Lab, New York University). Chord annotation of the original recording (Janet), time-stamped by researchers; CC BY 4.0 via ChoCo.
• Section names: this annotation doesn't name verses or choruses, so they aren't guessed. Instead, code used the chord timings to find the bars and cut the song into 8-bar parts. Each part is labelled with the time it starts in the annotated recording (Janet), and a part with exactly the same chords as an earlier one says so.
• The key was estimated by code from the chords; this annotation doesn't state it.
• 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.