Cassettes commercially available after 1965
Compact discs (CDs) commercially available after 1982
AACR2 Rule 1.4F7
Example:
Bib record:
260 ‡c [198-]
008 Publication status: s
008 Date 1: 198u
008 Date 2 [blank]
===================================
END, unless there also is a sound recording copyright date for the actual sound
Is there also a sound recording copyright date for the actual sound?
(c) or (p) before 1971
(p) after 1970
