From Heart Failure to 'Heartstrings'

You may have heard the song "Heartstrings" while you're waiting for your latte at Starbucks, and figured you are listening to another talented singer/songwriter whose sound reminds you or Bonnie Raitt or Patsy Cline. But rarely do you imagine as you hear the latest song on the radio, or Spotify, that the voice you are hearing is that of the doctor you might see in the emergency room if you are having a heart attack and are brought to a Philadelphia ER! Now I myself did the whole performer/dancer...