Namie Horikawa (堀川 奈美恵 Horikawa Namie) is a fictional young female Japanese composer based in Kyoto who gains fame and recognition for her emerging talents in wind ensemble composition and the composer of Crescent Moon Dance that Noboru Taki selects as the competition free-choice piece for the Kitauji High School Concert Band.
In the anime, it is mentioned that Namie was inspired by the night sky that she loved gazing at as a child. She drew on this inspiration while composing Crescent Moon Dance. According to Asuka Tanaka, Namie's melodies and motifs are "subtle" in nature.
- The name Namie means "apple tree" (奈) (na), "beautiful" (美) (mi) and "favor, benefit" (恵) (e).
- Namie's surname Horikawa means "moat, ditch, canal" (堀) (hori) and "river, stream" (川) (kawa).
- Crescent Moon Dance was composed by Akito Matsuda, who wrote the rest of the Hibike! Euphonium soundtrack.