If you become a fan of Disney Music on facebook, you get a free song download a day for the next 47 days as part of their 50 days of Disney Music Promotion! We are 3 days in, so that's 47 more free songs. Today's download is Hannah Montana's "I Wanna Know" and yesterday was "What's This" from the Nightmare Before Christmas Soundtrack. Day 1 was Phineas and Ferb's smash hit, "Squirrels in my Pants." Become a fan today to get your free music!