To celebrate the 250th anniversary of Beethoven's birthday, the National Centre for the Performing Arts (NCPA) presents a series of concerts featuring Beethoven's chamber music. A violinist Ning Feng and a young pianist Huang Qiuning perform Beethoven's Sonatas for Violin and Piano Nos. 1, 2, 4, and 8 in the series "An Invitation from Winter" at NCPA Concert Hall on January 9.