C-D Minor is a musical term that refers to a specific minor scale that starts on the note C and ends on D. In this scale, the notes are C, D, E♭, F, G, A♭, and B♭. The minor scale is characterized by its darker, more somber sound compared to major scales. In music theory, the C-D Minor scale can be used to create melodies and harmonies that evoke various emotions. Composers often utilize this scale in genres like classical, jazz, and blues to convey feelings of sadness or introspection. Understanding this scale can enhance a musician's ability to express different moods in their compositions.