The title refers to Phoenix Theater in Petaluma, California, where the band often performed during their origins. The song itself mentions lyrics like "I fell into yesterday" and "our dreams seemed not far away," possibly references to the memories the band spent at the theater.
The Days of the Phoenix EP is an extended play by American rock band AFI. It was released on April 20, 2001 through Nitro Records. It contains two tracks from their fifth studio album The Art of Drowning, including the title track, and a B-side recorded during The Art of Drowning sessions. Only 500 copies of the EP were pressed.