Foss was an American rock band formed in El Paso, Texas in the early 1990s. It is known for former members Cedric Bixler-Zavala, who found success in the music industry as the singer for the rock bands At the Drive-In and the Mars Volta, as well as Beto O'Rourke, who later was a U.S. Representative and candidate for U.S. Senator, U.S. President, and Governor of Texas.