Tenor Shi Yijie (L, front) and German conductor Claus Peter Flor (R, front) perform during the Tsingtao International Music Festival at Bluthner (Qingdao) Grand Theatre in Qingdao, east China's Shandong Province, Aug. 7, 2019. Audiences enjoyed several classic eastern and western compositions during the concert. (Xinhua/Li Ziheng)