The hichiriki is a traditional Japanese double-reed musical instrument, commonly used in the performance of classical Japanese music, particularly in the context of Gagaku, the ancient court music of Japan. It is made from bamboo and features a distinctive, rich sound that is produced by vibrating a double reed. The hichiriki typically has a cylindrical body with finger holes, allowing musicians to create a range of notes. This instrument plays a crucial role in Gagaku ensembles, often providing melodic lines that complement other instruments like the shō and biwa. The hichiriki's unique timbre contributes to the ethereal quality of the music, making it an essential component of Japan's cultural heritage.