Observing The Brain As Singing Helps Stroke Victims Regain Their Speech - http://inventorspot.com/article...
"A person's "singing center" is also located on the right side of the brain near the speech hole, but, once engaged, singing has the ability to activate many other parts of the brain, including cognitive, emotional, and physical functions and abilities. What the new study has shown is that, as patients are taught to add words to their melodies, the speech center in the right brain begins to to develop more connections. And if patients tapped out the rhythm of each syllable, it made their results even more effective." - τorƍue