Deep in the Heart of Texas

"Deep in the Heart of Texas" is an American popular song about Texas.
The 1941 song features lyrics by June Hershey and music by Don Swander. There were no fewer than five versions in the Billboard charts in 1942.
"Deep in the Heart of Texas" spent five weeks at the top of "Your Hit Parade" in 1942 during its twelve weeks stay.
Other usage.
The University of Texas Longhorn Band performs the song during each football pregame at Darrell K. Royal-Texas Memorial Stadium; The Spirit of Houston Cougar Marching Band often performs the tune for home football games and the Texas Christian University Horned Frog Marching Band performs an arrangement before each game at Amon G. Carter Stadium. Fans sing "Take Me Out to the Ballgame", followed by "Deep in the Heart of Texas" during the seventh-inning stretch of Houston Astros, San Antonio Missions, Rice Owls, Houston Cougars, and Baylor Bears baseball games, and in the middle of the fifth inning at Texas Rangers games. It is also played after every victorious San Antonio Spurs game. It is also played in the middle of a water break at Houston Dynamo games. It is played before every Houston Texans game, 15 minutes before kickoff.
In 1942, the BBC banned the song during working hours on the grounds that its infectious melody might cause wartime factory-hands to neglect their tools while they clapped in time with the song.
Country music singer and native Texan George Strait has the song played before he gets on stage.
It was used along with two other songs in the second segment for the Audio-Animatronic, Dolly Dimples, in the original Chuck E Cheese Pizza Time Theatre (now called Chuck E in San Jose, California from 1977 to 1982