Group 1 - The concert titled "Chinese-Brazilian Friendship Aria" was held at the Carlos Gomes Municipal Theater in Rio de Janeiro, showcasing a blend of Chinese and Brazilian music [1][3][6] - The Central Opera House of China performed classic Western opera selections and Chinese ethnic works, highlighting the artistic fusion between the two cultures [3][6] - The event was attended by notable figures including Chinese diplomats and local Brazilian officials, emphasizing the cultural collaboration between China and Brazil [1][6] Group 2 - The performance featured renowned pieces such as "The Butterfly Lovers" and "I Love You, China," which resonated deeply with the audience, leading to a standing ovation [3][6] - Brazilian soprano Marília Vargas expressed her admiration for Chinese music, describing it as a profound treasure worth exploring [3][6] - The concert aimed to strengthen the cultural ties between China and Brazil, with hopes of fostering deeper cooperation in music and dance [6][8]