sing songs in your heart to better you

sing songs in your heart to better you
you should sing songs to praise what God had done for you from time to time.singing songs is not only good for God,but also for your heart and for your mood,it will enhance your immue system and unable you to be full of life,full of energy.when you sing songs,you will feel happy,sunny and carefree.you will get rid of sorrows,depression and disappointment.you will be grateful for what you are and change your bad mood.when you hum a little tune,your will unknowingly rub off on others,others will become better off and happy too.so sing songs loud or in heart will do you great benifit.during the battle,a tune will change all atmosphare and raise the moral so as to defeat enemy.there are a lot of advantage of singing a song.
sorry,there are mistakes,"unable" should be "enable"
"immue"should be "immune".
what do you think of singing songs for God?