1967
6 | Morton Feldman– | The King Of Denmark | 7:14 |
Max Neuhaus's recording of Morton Feldman's was released in 1967 as part of Aspen Magazine No. 5+6. The piece, a landmark of quiet and indeterminate music, was recorded for the magazine, which was published in a "box" format and included various media, such as records and film.
https://www.printedmatter.org/catalog/37143/
https://www.artforum.com/features/inside-the-white-box-aspen-56-163009/
https://walkerart.org/collections/artworks/aspen-the-magazine-in-a-box-vol-1-no-5-and-6