Group 1 - The core message emphasizes the need for China and the United States to cooperate and respect each other, as articulated by Chinese Ambassador Xie Feng during a piano concert in Washington [1] - Xie Feng highlighted the importance of unity and collaboration among nations in the face of complex international circumstances, advocating for a responsible approach to global peace and friendship [1] - The ambassador reiterated that peaceful coexistence, equal respect, and dialogue are essential for the relationship between the two major economies [1] Group 2 - The Washington International Piano Arts Council, established in 2001, organizes annual piano competitions for non-professional pianists aged 31 and above [2] - The concert featured performances by this year's champion Michael Slavin and 2018 champion Wang Yiran, showcasing works by Rachmaninoff and the "Yellow River" piano concerto [2]

Core Viewpoint - The Chinese Ambassador to the U.S., Xie Feng, emphasized the importance of mutual respect, peaceful coexistence, and win-win cooperation between China and the U.S. as the guiding principles for their relationship, likening it to a symphony that requires coordination and harmony among its players [1][3]. Group 1 - Xie Feng stated that as the world's two largest economies and permanent members of the UN Security Council, China and the U.S. have a responsibility to work together for world peace and unity [3]. - He highlighted that mutual respect is a prerequisite for interactions, and dialogue and cooperation are the only correct solutions to issues between the two nations [3]. - The ambassador noted that the two heads of state have reached important consensus on improving and developing China-U.S. relations through two phone calls this year, which should serve as a guiding principle [3]. Group 2 - The Washington International Piano Arts Council, established in 2001, hosts an annual piano competition for non-professional pianists aged 31 and above [3]. - The concert featured performances by this year's champion, Michael Slavin, and the 2018 champion, Wang Yiran, who played Rachmaninoff's "Piano Concerto No. 1 in F-sharp minor" and the "Yellow River" piano concerto, respectively [3].