The Rockford Files was an extremely popular television show running from 1974-1980. It starred James Garner as a less-than-gallant, but extremely human, private investigator Garner's portrayal of Jim Rockford later inspired Tom Selleck's Magnum P.I. The show's theme song written by Mike Post and Pete Carpenter spent 44 weeks on the charts eventually peaking at #10.
http://www.youtube.com/watch?v=TXtpoO_DlDM
http://www.youtube.com/watch?v=TXtpoO_DlDM
