Every sound creates a vibration which influences the way we feel. Singing and chanting soothing and uplifting songs automatically removes the stress and uplifts the spirit.
Laugh
Laugher is associated with the feeling of happiness and easiness. If you laugh, even without a reason, these states of mind will come back. Try it and you will see your stress vanish in a few seconds.
Tell a story about the most happy moment in your life
When you talk about happy, positive things as opposed to the things that make you stressed, happy thoughts come in your mind, and stress disappears.