Atsumori was a flute master and handed down a flute called "Saeda" (a twig) or "Aoba" (a type of bamboo) from his grandfather, TAIRA no Tadamori, who received the flute from Emperor Toba.
笛の名手であり、祖父平忠盛が鳥羽天皇より賜った『小枝』（または『青葉』）という笛を譲り受ける。