After sitting down with "The King of All Media" on Monday's "Howard Stern Show," for a one-hour + interview (the highlights of which can be found HERE), Lady GaGa sat down at a grand piano and belted out a few acoustic tunes.  The highlight, to me, was her amazing performance of "The Edge of Glory," which she explained she wrote about her grandfather on his last day alive.  Enjoy this beautiful, stripped-down version of GaGa's latest pop masterpiece: