Omoro Sōshi is the oldest collection of Okinawan folk songs sung in the villages of Okinawa between the 12th and early 17th century. Omoro, in the Ryukyu dialect, refers to old songs passed down through generations in Okinawa and the Amami islands.
At the Omoro Arboretum, you can view 22 species of plants native to Okinawa that appear in the Omoro Sōshi.