Officially, the song was made as a tribute to Chinese and Filipino front-liners working amidst the COVID-19 pandemic in the Philippines as well as to commemorate Chinese–Philippine relations.

[3] The music video for "Iisang Dagat" was jointly produced by the Chinese Embassy in the Philippines with Chinatown TV, and Guizhou Xinpai Media Company.

Criticism of the video includes perception that the song as a propaganda supportive of the Chinese government's stance in the South China Sea disputes.

He said that the video is part of a larger effort of China to influence public opinion to make up for its failures at the early stage of the COVID-19 pandemic.

[2] Jay Batongbacal, Director of the UP Institute for Maritime Affairs and Law of the Sea says that the video is an attempt to placate Filipino public opinion following recent diplomatic protests filed over China's continued activity to assert its territorial claims in the South China Sea taking advantage of countries' preoccupation in dealing with the COVID-19 pandemic.