Voting Question: Whats a good free music downloading program for windows vista?

I used to have "windows 98" and "Ares" music downloading program...but now that i have vista areas doesn't really work with it, certain things glitch, mess up, and freeze...and im not a big fan of limewire but ill use it if recomended. I have an old Sandisk Sansa 4g mp3 player and im craving new music.. HELP ME OUT!