C# Jazz ii–V–I
ii – V – I progression in C# major
C# Jazz ii–V–I — ii – V – I
The C# ii–V–I progression (D#m – G# – C#) is the most important cadence in jazz. The subdominant provides motion, the dominant creates tension, and the tonic delivers resolution. With seventh chords (D#m7 – G#7 – C#Maj7), it is the definitive jazz sound.