Proven by scientist that music helps people relax, release stress, inspire, and motivate us. Music can change your mood positively or negatively, depending on the type of music you listen to. For example, music with negative messages, such as some Rap and Heavy Metal cause people to become more angry. Music with positive messages, such as some alternative rock and pop causes people to become happier. Music can alter your brain waves, which elevates your mood even after you stopped listening to it. Can music improve someones intelligence? There have been studies that show it is possible that music such as Classical can improve your intelligence, although it's not 100% percent proven. There are other studies that say Metal can have the same or opposite affect as Classical. Therefor, listen to music that makes you in a good mood!