Hawthorne Heights will be celebrating the 20th anniversary of “If Only You Were Lonely” on a headlining U.S. tour. letlive. and Creeper will serve as support. Tour Dates: 03/05 Lexington, KY – Manchester Music Hall 03/06 Bloomington, IL – Castle Theater 03/09 Minneapolis, MN – First Ave 03/12 Denver, CO – Summit 03/13 Salt Lake…