Music therapist Elizabeth Klinger, right, quietly plays guitar and sings for Augustin as he grips the hand of his mother, Lucy Morales, in the newborn intensive care unit at Ann & Robert H. Lurie Children's Hospital in Chicago on Monday, May 6, 2013. Research suggests that music may help those born way too soon adapt to life outside the womb. Recent studies and anecdotal reports suggest the vibrations and soothing rhythms of music, especially performed live in the hospital, might benefit preemies and other sick babies. (AP Photo/M. Spencer Green)CHICAGO (AP) — As the guitarist strums and softly sings a lullaby in Spanish, tiny Augustin Morales stops squirming in his clinic crib and closes his eyes.