21st Century Schizoid Man by OZZY Osbourne Overview Tag Appears on Greatest Hits Greatest Hits (2cd) Greatest Hits Disc 1 Greatest Hits - Ozzy Osbourne microradio.eu Prince of Darkness Prince Of Darkness Prince Of Darkness (Box Set) Prince Of Darkness (CD4) Prince Of Darkness CD-4of4 Prince of Darkness (disc 4) Prince Of Darkness [Disc 4] Prince of Darkness IV Under Cover Under Cover [Compilation] Under Cover [Dual Disc] Under Cover (Japanese EICP 529) Under Covers Playcount 310 Listeners 119