A lot of us may turn to relaxing music when we are feeling stressed or tired. A recent research shows that slow, quiet classical music is suggested to have the most exciting effect1 . Listening to a relaxing, classical-style movie soundtrack can also help you reduce2 stress. Have you always felt like you perform3 better when you listen to music?Strange as it might seem, there has actually been a lot of research done on this subject. And sure enough, one study shows that music can increase endurance by 15%. One theory is that listening to a classical piece helps you focus4 , which in turn allows you to persevere longer. However, another study suggests that it's not the type of music, but rather the speed5 of the music—the beats per minute—that matters.