Emacs is the extensible, customizable, self-documenting real-time display editor. This Editor is used to do a lot of things, from IRC to reading mails and news, along with "basic" editing, advanced macro, remote control, multimedia player, and so on..
This webpage is about EMMS, an Emacs "package" that you use to extend Emacs features to multimedia.
LINKS
Snapshots are now taken of the darcs development archive, every few days. You can access them here
If you have darcs available, it's probably a better idea to fetch a copy of the latest sources from that, instead.