Damnesia is an album by the punk rock band Alkaline Trio, released July 12, 2011 through their label Heart & Skull, a joint venture with Epitaph Records. A primarily acoustic album, it consists of "a selection of beloved fan favorites selected from the group's extensive catalogue and presented in an intimate semi-unplugged format". The album also includes two new songs, "Olde English 800" and "I Remember a Rooftop", as well as a cover version of the Violent Femmes' "I Held Her in My Arms".