C#/D♭ minor 9th Major 7th chords Author: Juan Martinez Categories: C♯ Chords Tags: minor 9th / Major 7th C# minor 9 major 7 chord piano Formula: 1 – ♭3 – 5 – 7 – 9 Example: C# – E – G# – C – D# Chord Suffix: C#m9(Maj7) Use these charts to create your own C# min9 Maj7 chord or play a C# min9 Maj7 melody. C# minor 9 major 7 chord pianoC# minor 9 major 7 guitar chord