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Opus de Funk by Horace Silver

Piano chords, voicings & structure breakdown · 7 steps · 5 unique chords

Community chart. These chords come from a chart a musician wrote and shared on the iReal Pro forums, not from a transcription checked against the recording. Charts are sometimes written in a different key or simplified, and no second chart of this song agreed closely enough to mark this page verified. Trust your ears.
Blues Chorus 1Step 1 of 7

B♭

LeftB♭2, F3RightB♭3, D4, F4
C4F3D4F4B♭2B♭3
Left hand Right hand Middle C (C4)

No source cited for this step

Harmonic Analysis & Structure

Overview

Key: B♭ major · Chords used: 5 · Sections: 2

Form: Blues Chorus → Blues Chorus

Where these chords come from: a chord chart of this song written by a musician and shared on the iReal Pro forums, archived in the iReal Pro forum charts archived in ChoCo (de Berardinis et al., 2023). It's one musician's reading of the song, not a transcription checked against the recording. This page shows that chart 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

Blues Chorus 1

  • B♭ – B♭7 – E♭7 – B♭ – Cm7 – F7 – B♭
    I – I7 – IV7 – I – ii7 – V7 – I

Blues Chorus 2

Same chords as Blues Chorus 1.

Chord vocabulary

ChordRoman numeralRoleHeard in
B♭IHome chord (tonic)Blues Chorus
B♭7I7Outside the key (chromatic)Blues Chorus
E♭7IV7Outside the key (chromatic)Blues Chorus
Cm7ii7In the keyBlues Chorus
F7V7In the keyBlues Chorus

Sources & accuracy

  • Chords: the iReal Pro forum charts archived in ChoCo (de Berardinis et al., 2023). Community chord chart “Opus De Funk” (credited “Silver Horace”, style Fast Swing) from the forum file linked here, CC BY 4.0 via ChoCo. Performer/songwriter confirmed from Wikidata.
  • Section names: the chart has no section markings, so sections were detected by code from repeated 8-, 12- and 16-bar phrases (letters such as A and B mark different phrases).
  • Chord charts are often written in a key that suits a particular singer or band, so this may not be the key of the original recording.
  • About the song: Wikipedia.
  • Not verified: other charts of this song differ in places from this one, so this page isn't marked verified.
  • Rhythm and chord durations aren't shown; each step is one chord change.

Sources & Accuracy

Every chord on this page comes from the community chart listed first below. Piano voicings are our arrangement of the reported chord symbols, not a note-for-note transcription.

  • Chords from a chart a musician wrote and shared on the iReal Pro forums (archived in the ChoCo research dataset); may be in a different key from the recording, and not checked against it.

    Community chord chart “Opus De Funk” (credited “Silver Horace”, style Fast Swing) from the forum file linked here, CC BY 4.0 via ChoCo. Performer/songwriter confirmed from Wikidata.

All Piano Voicings

#SectionChordLeft handRight handSources
1Blues Chorus 1B♭B♭2, F3B♭3, D4, F4—
2Blues Chorus 1B♭7B♭2, F3A♭3, D4, F4—
3Blues Chorus 1E♭7E♭2, B♭2B♭3, D♭4, G4—
4Blues Chorus 1B♭B♭2, F3B♭3, D4, F4—
5Blues Chorus 1Cm7C2, G2B♭3, E♭4, G4—
6Blues Chorus 1F7F2, C3C4, E♭4, A4—
7Blues Chorus 1B♭B♭2, F3D4, F4, B♭4—