BEIJING, April 21 (Xinhua) -- The China Coal Mine Art Troupe folk orchestra will hold its 18th May Day concert at the National Library Art Center on April 29 and 30.

Musics including "On The Hopeful Field" will be performed to reflect the reform and opening up and all walks of society, said sources with the art troupe.

The orchestra will also adapt musical works with revolutionary themes, such as "Home in Anyuan" and "Suite of Tunnel Warfare."

The China Coal Mine Art Troupe was created in 1947 and launched the May Day concert in 1996.