Ethanol is a CNS and respiratory depressant. It's not really a "mood enhancer", though it can relax inhibitions so that people show their moods more readily.

Perceptive listeners are mainly concerned with judging the quality of the music. Casual listeners see music mainly as a mood enhancer. I am pretty positive

Another way of saying mood lifter is "spirit booster" or "joy enhancer."

enhancer

Maca root, also known in science land as Lepidium meyenii or Lepidium Peruvianum, has been prized for generations as an energy enhancer and mood stabilizer.