Trace Adkins has written and recorded the theme song for 'Black Gold,' a new show debuting next month on truTV. The song, also titled 'Black Gold,' will open the television series. The show follows three drilling crews as they search for oil in Texas.

Adkins himself is a former oil worker. Before landing a record deal, he worked in offshore drilling rigs in the Gulf of Mexico. Read about this and other stars' rags-to-riches stories in our countdown of the worst pre-fame jobs ever.