C# Minor Major 7th

Notes:C# – E – G# – C
Formula:R-m3-P5-M7
Intervals:P1-m3-P5-M7
Scale Degrees:1-b3-5-7

Introduction

The C# Minor Major 7th piano chord (C#mMaj7) consists of the notes C#, E, G#, C. It is a minor triad with an added major 7th, giving it a dark and complex character with strong tension, often used in jazz and minor key progressions. Formula: R-m3-P5-M7 | Scale degrees: 1-b3-5-7.

Enharmonic equivalent: C♯ is enharmonically equivalent to Dā™­. See Db Minor Major 7th.

Notes

Notes:C# – E – G# – C

C# Minor Major 7th Inversions

PositionNotes
Root PositionC#4 – E4 – G#4 – C5
1st InversionE4 – G#4 – C5 – C#5
2nd InversionG#4 – C5 – C#5 – E5
3rd InversionC#4 – E4 – G#4 – C4

Key Signature

The key of C# Minor Major 7th has 4 sharps: F♯, C♯, G♯, D♯.

F♯C♯G♯D♯

Theory: Intervals

Formula: R-m3-P5-M7
Intervals: P1-m3-P5-M7

The C# Minor Major 7th is built by stacking intervals from the root note. The formula R-m3-P5-M7 describes the scale degrees used. The intervals P1-m3-P5-M7 show the distance between each note in the chord.

C# Minor Major 7th — Frequently Asked Questions

What notes are in the C# Minor Major 7th chord?

C# Minor Major 7th is built from the C# root. Check the interactive keyboard above for exact notes and fingering.

How is the C# Minor Major 7th chord used in music?

C# Minor Major 7th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Minor Major 7th).

What is the fingering for C# Minor Major 7th?

See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.

What are the inversions of C# Minor Major 7th?

Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.

Why does C# Minor Major 7th sound so tense?

The minor third and major seventh are only a semitone apart when inverted, creating dramatic tension.

Practice Tips

  • Play C#m then add the major 7th — hear the dramatic tension.
  • The descending chromatic line is one of the most famous chord movements.
  • Compare with C#m7.
  • Film noir and spy theme sound.
  • Harmonic minor i chord.
  • The tension between minor 3rd and major 7th defines this chord.