EMMS is the Emacs multimedia system. It plays multimedia files using external players.
EMMS is the Emacs multimedia system. As described on its web site:
EMMS is the Emacs Multimedia System. It tries to be a clean and small application to play multimedia files from Emacs using external players. Many of it's ideas are derived from MpthreePlayer , but it tries to be more general and cleaner.
The fact that EMMS is based on external players makes it powerful, because it supports all formats that those players support, with no effort from your side.