Fresh from the clogged tubes of teh intarwubs…
"Allows an editor to publish an "issue", which is to say, all pending posts with a given category. Until a category is published, all posts with that category will remain in the pending state." Hmmm.
Some good links right here; lotta email sign-ups, but they all seem fairly kosher.
"Ampache is a Web-based Audio file manager. It is implemented with MySQL, and PHP. It allows you to view, edit, and play your audio files via the web."