Six pieces of theme music are used for the episodes; two opening themes and four closing themes. The first opening theme is "Resonance" by T.M.Revolution for the first thirty episodes, and the single was released on June 11, 2008. The second opening theme is "Papermoon" by Tommy heavenly6 from episode thirty-one onwards; the single was released on December 10, 2008 by DefStar Records. The first closing theme is "I Wanna Be" by Stance Punks for the first thirteen episodes, and the fifty-first episode; the single was released on June 4, 2008. The second closing theme is "Style" by Kana Nishino from episode fourteen to twenty-six; the single was released on August 13, 2008 by Sony Music Entertainment Japan. The third closing theme is "Bakusō Yume Uta" (爆走夢歌) by Soul'd Out's Diggy-Mo from episode twenty-seven to thirty-nine; the single was released on November 26, 2008 by Sony Music Entertainment Japan. The final closing theme is "Strength" by Abingdon Boys School from episode forty through episode fifty; the single was released on February 25, 2009.
The first character song maxi single sung by Chiaki Omigawa (Maka) and Kōki Uchiyama (Soul) was released on August 6, 2008 by Aniplex. The second single by Yumiko Kobayashi (Black Star) and Kaori Nazuka (Tsubaki) was released on September 3, 2008, and the third single by Mamoru Miyano (Kid), Akeno Watanabe (Liz), and Narumi Takahira (Patty) was released on October 1, 2008. Two original soundtracks for the anime were released on August 27, 2008 and March 18, 2009 by Aniplex. The theme song for Soul Eater: Monotone Princess is "Soul's Crossing" sung by T.M.Revolution, and is included on the "Resonance" single.
