Broadway Lyricist Glenn Slater has been writing with arguably two of the most influential composers of the past 40 years, Andrew Lloyd Webber and Alan Menken. He has two shows currently running on Broadway, wrote lyrics for Galavant on television, and has a career, it is safe to assume, that any lyricist would sell their soul for. He didn't sell his soul, however, but spent years honing his craft. Here, he shares some of what he has learned.