Singing is reported to exercise the right hemisphere of your brain, while learning a new language strengthens the left. Both of these activities rely on reading- for song lyrics and for studying the language in written form. Such reading activates both side at the same time and works to boost your overall brain performance in its entirety. While its been determined that hemispheric dominance varies with activities and from person to person, more research is needed to fully understand the brain. For more brain-boosting exercises, please check out the below graphic.
Graphic created by Master Pieces, Inc, a retailer of puzzle accessories for adults.