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C mi13♭5

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Cm13♭5
C – E♭ – G♭ – B♭ – D – F – A
Formula:R-m3-d5-m7-M9-P11-M13
Intervals:P1-m3-d5-m7-M9-P11-M13
Scale Degrees:1-b3-b5-b7-9-11-13

Introduction

C mi13♭5 piano chord, root position — C, Eb, Gb, Bb, D, F, A
The C mi13♭5 chord in root position on a piano keyboard, notes C, Eb, Gb, Bb, D, F, A.

The C mi13♭5 chord is a seven-note chord made up of C, E♭, G♭, B♭, D, F, and A. It is built from a root, minor third, diminished fifth, minor seventh, major ninth, perfect eleventh, and major thirteenth.

Notes

Notes:C – E♭ – G♭ – B♭ – D – F – A

Key Signature

The key of C mi13♭5 has no sharps or flats. Every note is natural, which makes it the easiest key signature to read on the staff.

Chords in the Key of C Major

These are the diatonic triads built on each degree of the C major scale:

C
D
E
F
G
A
B
C
D
E
F
G
A
B
I — C Major (major)
DegreeNumeralChordQuality
1IC MajorMajor
2iiD MinorMinor
3iiiE MinorMinor
4IVF MajorMajor
5VG MajorMajor
6viA MinorMinor
7vii°B DiminishedDiminished

Theory: Intervals

Formula: R-m3-d5-m7-M9-P11-M13
Intervals: P1-m3-d5-m7-M9-P11-M13

The C mi13♭5 is built by stacking intervals from the root note. The formula R-m3-d5-m7-M9-P11-M13 describes the scale degrees used. The intervals P1-m3-d5-m7-M9-P11-M13 show the distance between each note in the chord.

C mi13♭5 — Frequently Asked Questions

What notes are in the C mi13♭5 chord?
The C mi13♭5 chord (Cmi13♭5) contains 7 notes: C, Eb, Gb, Bb, D, F, A. Formula: R-m3-d5-m7-M9-P11-M13.
How is Cmi13♭5 used in music?
Cmi13♭5 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for Cmi13♭5?
Cmi13♭5 uses scale degrees 1-b3-b5-b7-9-11-13, giving it its distinctive sound.

Practice Tips

  • Start by placing your thumb on C and spacing remaining fingers across the chord.
  • Practice Cmi13♭5 slowly with separate hands before combining.
  • Listen carefully to the tension created by the altered tones in this chord.
  • Try voicing Cmi13♭5 in different octaves to find the most comfortable position.
  • Resolve Cmi13♭5 to a nearby chord to hear its function in context.

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