Have your ever experience that when you are sad and you play mellow songs you feel the pain of the music and it increases the sadness you have, or if you are angry and you play hard rock songs and you feel like shouting and releases the anger inside, or when you want to focus on something you play a different song it will change your mood and not help in concentration but play the right track it can achieve the focus you need.
Never under estimate the power of music. It has a unique link to our inner emotions and can change our moods quickly.
Listening to especially slow, quiet classical music this helps relaxes your mind and body. They say that this kind of music can slowing the pulse and heart rate, lowering blood pressure, and decreasing the levels of stress hormones.