The Mercedes ad some time ago with Chris Isaak's 'Wicked Game' - soft-focus images and sounds intertwined seamlessly to create something romantic and aspirational. Sorry, ad-speak coming in there a bit. This website might help if you want to trace music used in UK commercials
http://www.commercialbreaksandbeats.co.uk/ - I'm sure there will be a US equiavalent (just can't be bothered to check my lists right now).