In Korean tradition, dreaming of singing is read as mixed. It is most often tied to 애정, 전반.
Singing is the heart going out — a glad song, good news; a sad one, sorrow. Losing one's voice, being unable to speak one's mind.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream