 In 2002 , Walker wrote and recorded a song for the National Football League 's expansion team , the Houston Texans . Titled " Football Time in Houston , " the song was used as the team 's official fight song during its inaugural season . In an interview with CMT , he said that he donated the song to the city of Houston , and that he sings " The Star @-@ Spangled Banner " at the team 's opening game every season . 
