1. Jake Owen was offered "Big Green Tractor" first ...

... and he turned it down! Owen doesn't regret it, however: He knew that his version of the song, about growing up in rural America, would be disingenuous, so he let another singer take a crack at it. The tune became one of Aldean's biggest hits, spending multiple weeks at No. 1 and almost singlehandedly doubling the size of the venues he could sell out.