"Ants Marching" is a song by American rock group Dave Matthews Band. It was released in September 1995 as the second single from their debut album Under the Table and Dreaming. It reached #18 on the Alternative chart and on the mainstream rock chart as well. The song was considered a successful, hit single. A different recording of it was included on their prior album, Remember Two Things. This version was significantly longer, clocking in at 6:08. According to DMBAlmanac.com, the song is possibly one of DMB's best known songs, and Dave Matthews described it as being "our anthem." Dave Mathews wrote the music and lyrics prior to its first performance in 1991.