"Thai unity" (ไทยรวมกำลัง) or begins with "Thais unite to stand firm" (ไทยรวมกำลังตั้งมั่น) is a Thai patriotic song. The lyrics from the end of the play, saying a poem and singing a song about Phra Ruang, which was written by King Rama VI. The melody was composed by Eua Sunthornsanan and performed by the Suntharaporn band. This song was composed during the Cold War.