Music (Madonna album) - Wikipedia

Crazy for You (Madonna song) - Wikipedia

Vogue (Madonna song) - Wikipedia

The Immaculate Collection - Wikipedia

The Confessions Tour (album) - Wikipedia

Holiday (Madonna song) - Wikipedia

List of unreleased songs recorded by Madonna - Wikipedia

True Blue (album), Madonnapedia

Beautiful Stranger - Wikipedia

Don't Tell Me (Madonna song) - Wikipedia

I Want You (song), Madonnapedia

Like a Virgin (song) - Wikipedia

Music (Madonna album) - Wikipedia

Glee: The Music, The Power of Madonna, Glee Wiki