Some "Radio Ga Ga" versions, not official from CDs. Enjoy:
Radio Ga Ga (Instrumental Extended Version 1) - Without Freddie Vocals
http://www.mediafire.com/?p9gj99cgap8bb91 Radio Ga Ga (Instrumental Extended Version 2) - With some Freddie Vocals
http://www.mediafire.com/?96w3216782vr563 Radio Ga Ga (Albun Instrumental Version) - Without Freddie Vocals*
http://www.mediafire.com/?cdeztguk6ad5dgu (* Different from Greatest Karaoke Hits)