Johnny Cash wrote and sang some silly songs that very few people could have pulled off the way he did. Usually when you declare a song silly it is almost a polite method of saying that the song isn't very good.
Most everyone knows of the song, "Ring of Fire". Unless you have lived under a rock your whole life, you only need to hear a few notes of the familiar mariachi trumpets and you not only immediately know the song, but you also start singing the chorus - "I fell into a burning Ring of Fire.
Ten years ago today Johnny Cash passed away. While the official cause of death was listed as "complications from diabetes"; it seems fairly obvious that he died from a broken heart when he lost his wife, June Carter Cash less than four months prior.
To impersonate or not to impersonate, that is the Question? The term "Tribute Band" has always been somewhat loose in defining whether or not a band is an impersonation act.