Meditation to Improve Concentration

For what do you want to improve your concentration power?
When you need to clear your concentration before study, work, any action or activity, or when you lose focus due to some distraction, this guided meditation will help you. 15min later, you will refresh and clalify your conscious mind and improve concentration to focus on your next action. Some people may feel light transe during meditation, so please do not listen while driving a car or operating machines.