The Ultimate collection of Madonna B.Sides, Demos, Rarities and Unreleased music.
 
-- more than 110 songs in 5 CD's. in chronological order (1980's-2010's)
-- Five discs spanning four decades of rare and unreleased music from Madonna
-- please note: although all songs have been brought up to the maximum quality possible, some songs still mantain their "rough" sounding quality
-- includes digital booklet