"We identify our friends by the sounds of their voices almost as quickly as we would recognize them visually.
Poetry and story telling have always employed voice articulation to emphasize the drama.
Artists active in the international mail-art network were invited to send their audio works for inclusion on regularly published cassettes. The published cassettes were only available in exchange for new audio works. One-hundred-eighty artists from twenty-one countries participated. The series totaled sixteen volumes that were produced during a five-year period."