Post by sherlew99 on Jun 25, 2015 10:00:23 GMT -6 CNNMusic opens a 'back door' to the brainSanjay Gupta, M.D. | Source: CNNAdded on 12:45 PM ET, Mon June 22, 2015CNN's Dr. Sanjay Gupta reports on "Music and Memory," a nonprofit that provides iPods to nursing home dementia patients.Click here for the video.