According to a query to QQ Music, "Treading Waves" is a school song that was widely popular in 1980, introduced to the mainland by chief female singer Zhu Fengbo, and originally sung by Shen Yan. The song first appeared in the 1980 Chinese Taiwanese movie "I Come on Waves", which became the theme song of the movie. Selected lyrics: The sea waves bloom ah I just came to the beach, so you also love the waves, just came to the beach.