Core Viewpoint - The theme song for the 15th National Games, titled "Hearts of Heaven and Sea," emphasizes the integration of sports spirit with the cultural essence of the Greater Bay Area, using water as a central motif to convey unity and resilience [2][4]. Group 1: Theme Song Details - The theme song "Hearts of Heaven and Sea" will be performed by singers Zhou Shen and Shan Yichun during the opening ceremony on November 9 [2]. - The song underwent multiple revisions before its finalization and has received positive feedback from audience rehearsals [2]. - The music designer, Shu Nan, stated that the song departs from traditional sports anthems, instead focusing on water as a metaphor for unity and the spirit of the Greater Bay Area [2][3]. Group 2: Cultural Significance - The song reflects the cultural resonance of the Greater Bay Area, symbolizing the collaboration and shared aspirations of Guangdong, Hong Kong, and Macau [3][4]. - Zhou Shen expressed that the song's lyrics convey the idea that everyone is like a drop of water, contributing to a larger collective, which aligns with the spirit of the event [3]. - Shan Yichun highlighted the emotional impact of the song, aiming to share the vibrant culture and vitality of the Greater Bay Area with the audience [3]. Group 3: Event Presentation - The opening ceremony will incorporate a "technology + sports + art" fusion to create an immersive audio-visual experience, linking the theme song with water and wave visuals [3][4]. - The event organizers emphasized that the theme song will leave a significant mark in the history of large-scale sports events [4].