Chinese folk musician Guan Menghua performs with Chicago Jazz Philharmonic Orchestra in a concert themed on "Chicago: Immigrant Stories" at Millennium Park in Chicago, the United States, June 14, 2018. (Photos: Xinhua/Wang Ping)

Spectators enjoy a concert themed on "Chicago: Immigrant Stories" performed by Chinese folk musicians and Chicago Jazz Philharmonic Orchestra at Millennium Park in Chicago, the United States, June 14, 2018.

Chinese folk musician Li Guanglong performs with Chicago Jazz Philharmonic Orchestra in a concert themed on "Chicago: Immigrant Stories" at Millennium Park in Chicago, the United States, June 14, 2018. 

Musicians of Chicago Jazz Philharmonic Orchestra perform in a concert themed on "Chicago: Immigrant Stories" at Millennium Park in Chicago, the United States, June 14, 2018. 

Chinese folk musician Kerry Leung performs with Chicago Jazz Philharmonic Orchestra in a concert themed on "Chicago: Immigrant Stories" at Millennium Park in Chicago, the United States, June 14, 2018.