This is getting to be addictive!
Johnny Mercer wrote this (music and lyrics) after getting a request from a fan to write something about Frank Sinatra and Lana Turner's (or was it Ava Gardner's) breakup. Or so I read somewhere.
Tony Bennett made it a hit.
[ame]https://www.youtube.com/watch?v=kJ7TDf8wdOg[/ame]