Videos by American Songwriter [RELATED: 4 Iconic TV Theme Songs You Didn’t Know Alan Thicke Wrote] Below are 7 hit TV theme songs from the 1970s. 1. Happy Days – “Happy Days” ...

Keyboards became more common to TV scores by the mid-1970s, and quirky analog settings made certain sounds stand out. This is one of the most memorable small screen themes of that decade.