Fontana writes in an accompanying letter to the Sackners, "My 'Radio/Dramma' (1977) is an artist book printed by Geiger. The collages are made by me. I've written this opera in 1970 - I've a sound version of this book-score. Some sound pages are published by 'Baobab' 4. I add some visual poems and scores for exemples (sic) of my recent art-work [the current citation]. The book was printed personally by Adriano Spatola in his typographical domestic laboratory in Mulino de Bazzano." -- Source of annotation: Marvin or Ruth Sackner.