TsuPod - iPod functionality using a link list

The purpose of this program was to create a program that performs
similar functionality as an iPod, including these functions:
addSong(Song s)
removeSong(Song s)
shuffle()
showSongList()
sortSongList()
getTotalMemory()
getRemainingMemory()
set and get all instance variables
overload ==, <,and > operators (used in sorting)