It’s been over a year since Billy Joel ‘s last concert, and his performance calendar remains empty as he continues to recover from normal pressure hydrocephalus, a brain condition. But Joel’s entire touring band will reconvene March 12 at Carnegie Hall for a special “Music of Billy Joel” tribute concert featuring Rob Thomas, Rufus Wainwright, Tanya Tucker, Itzhak Perlman, Betty LaVette, Wyclef Jean, Mary Chapin Carpenter, Alexa Ray Joel, and many others. The show — and the long-running Music Of