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C♭ Minor Add 9

chord·/chords/minor-add-9th/c-flat/

The C♭ Minor Add 9 chord contains the notes C♭, D♭, E♭♭, and G♭.

Notes: C♭, D♭, E♭♭, G♭ · Piano keys: C♭ D♭ E♭♭ G♭

Reviewed for accuracy · Last updated July 2026 · Maintained by Justin Evans

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C♭
C♭ – D♭ – E♭♭ – G♭

Practice C♭ Minor Add 9

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Introduction

The C♭ Minor Add 9 chord is a four-note chord made up of C♭, D♭, E♭♭, and G♭.

Notes

Notes:C♭ – D♭ – E♭♭ – G♭

Key Signature

A chord has no key signature of its own, but the C♭ Minor Add 9 is the tonic (i) chord of Cb Minor, which shares the signature of its relative major, D Major2 sharps (F♯, C♯).

F♯C♯

Order of sharps

Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.

FCGDAEB

Mnemonic: Father Charles Goes Down And Ends Battle

Chords in the Key of C♭ Minor

These are the triads built on each degree of the C♭ minor scale:

C1C2C3C4BC5DC6C7C8F#
iB Minor (minor)
DegreeNumeralChordQuality
1iB MinorMinor
2ii°D♭ DiminishedDiminished
3IIID MajorMajor
4ivE MinorMinor
5vG♭ MinorMinor
6VIG MajorMajor
7VIIA MajorMajor

C♭ Minor Add 9 — Frequently Asked Questions

What is the C♭ Minor Add 9 chord on piano?
The C♭ Minor Add 9 chord contains the notes C♭ – D♭ – E♭♭ – G♭. On piano, play these notes together to sound the chord.

Related Tools

Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.

References & Further Reading

The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data reflects piano.org's own interval-derived dataset.

  1. 1

    Prout, Ebenezer(1889)

    Harmony: Its Theory and Practice

    Public domain treatise
  2. 2

    Goetschius, Percy(1889)

    The Material Used in Musical Composition

    Public domain treatise
  3. 3

    Riemann, Hugo(1896)

    Harmony Simplified (English translation)

    Public domain treatise
  4. 4

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