The core file defines a number of user variables.
A list of players Emms can use. You need to set this in order to use Emms to play media.
The format to use for emms-show. Any "%s" is replaced by what emms-track-description-function returns for the currently playing track.
Non-nil if the Emms playlist should automatically repeat the playlist. If nil, playback will stop when the last track finishes playing.
Function for describing an Emms track in a user-friendly way.