In 1971 Antonio Dias self-published Record: The Space Between, a vinyl LP audio project produced in an edition of just 180 copies, numbered and signed by the artist. Both the cover and the LP itself were unconventional: the vinyl record was enclosed in a padded brown-paper mailing envelope û rather than in a traditional paperboard jacket û to which Dias affixed a photograph and a rubber-stamped title, a gesture toward mail art, which was emerging as its own distinct medium at that time. The album went to b