Some "Radio Ga Ga" versions, not official from CDs. Enjoy:
Radio Ga Ga (Instrumental Extended Version 1) - Without Freddie Vocals link
Radio Ga Ga (Instrumental Extended Version 2) - With some Freddie Vocals link
Radio Ga Ga (Albun Instrumental Version) - Without Freddie Vocals* link
(* Different from Greatest Karaoke Hits)