The day after I posted the previous post, I became aware of a serious flaw in the design of the player. It couldn't play music from on artist or one album. I really liked this functionality, so I wrote it.
MUSICDIR=~/music cd $MUSICDIR find . -type f -name "*.mp3" -o -name "*.ogg" | grep "$1" > playlist mplayer -quiet -shuffle -playlist playlist | grep Playing
Also it tried to play the cover images that are in some of the directories. This was solved by specifying the extensions of the files to play.