“We envision a library full of blood,” reads the “About” section of the Black Cake Records website. “We want the very best blood, & we want it everywhere.” Intrigued? You should be. The project, begun in 2013, serves as “a forum for producing & disseminating audio archives of contemporary poets reading their work.” For an introduction, you can start with “Trench Mouth” by Danniel Schoonebeek, whose debut collection, American Barricade, was published last month by YesYes Books.