What is the name of the cucurbit flute played by Zhao Benshan in Master Ma's clip?

The cucurbit silk played by Zhao Benshan in the TV series "Ma Dashuai" is called "Crescent Moon".

"Crescent Moon" (also known as "The Story of Diesim Wugeng" and "The General's Name Wugeng") is a Han folk tune in Liaoning and Jilin, which is named mainly because the lyrics are "Wugeng Style" and there must be a "Crescent Moon" in every "Geng".

Song background

"Five Tones of the Crescent Moon" is a warm and simple northeast region bred in black land. In 1950s, in order to cooperate with the rural land reform, a new word was added, which became "turning over five tables", showing the scene of farmers fighting for landlords and dividing fields in the vigorous land reform movement in rural areas of Northeast China, and expressing their feelings of turning over.