It's always interesting taking a look at "Clichés", or formulas, if you prefer.
Lots of A/V examples included
http://www.wired.com/underwire/2012/02/bear-mccreary-sci-fi-themes/all/1
Lots of A/V examples included
http://www.wired.com/underwire/2012/02/bear-mccreary-sci-fi-themes/all/1