Pianist Lang Lang speaks during a press conference in New York, the United States, April 9, 2019. Lang Lang held a press conference here on Tuesday to promote his new album "Piano Book", which was released on March 29 this year. As the first new album in three years from the globally celebrated piano virtuoso, "Piano Book" aims to bring classical music to a global audience and spread the message that classical music is universal, according to a press release. (Xinhua/Wang Ying)