That is the EXACT same fight song the Houston Oilers had (with Oilers subbed in for Dolphins naturally). Wonder why two teams had the same song?
Because the guy who wrote it asked Joe Robbie (the original owner) to buy exclusive rights or he'd start shopping it around and Robbie wouldn't.
So, Robbie stopped using it for awhile and commissioned a song but it sucked....the fans kept using this one.
Meantime, because the Dolphins weren't using it the Oilers took it but also wouldn't buy exclusive rights....
And then, I guess since the guy found himself getting paid by two teams he wasn't fighting it.