Akatombo, meaning Red Dragonfly, is a beloved Japanese song composed by Kosaku Yamada in 1927, setting to music a nostalgic poem by Rofu Miki from 1921. Originally conceived as a doyo, a genre of children's songs that also function as art songs for adults, the piece was part of a movement among Japanese classical composers and poets to create more emotionally resonant music for young audiences, contrasting the pedantic and patriotic songs promoted by Japan's Ministry of Education. The melody follows a yonanuki pentatonic scale, a major scale omitting the fourth and seventh degrees, creating an elegant lyrical line that blends Japanese melodic sensibility with subtle Western influences. The song's imagery of a red dragonfly at sunset evokes deep longing for childhood, hometown, and maternal figures who have moved away, themes that resonate universally across Japanese culture. Within Yamada's body of work, Akatombo exemplifies his synthesis of Western classical training, particularly his affinity for German composers like Schumann, with indigenous Japanese lyricism. The song has been widely arranged and performed across genres, from classical to folk ensembles. Notable recordings include Jean-Pierre Rampal and Lily Laskine's 1978 flute and harp arrangement and Rampal's 1982 version with koto players. Trumpeter Jun Iida included a jazz arrangement on his 2024 debut album Evergreen, recorded with vocalist Aubrey Johnson, bringing the century-old melody into a contemporary jazz context.