The answer is: "OST song" refers to the song in the OST. OST referred to the original music in movies, TV series, and other film and television works, and the song part was the OST song. According to the search results, some OSTs of movies and television works included some songs, such as the theme song of the TV series OST of " A Thought of Passing Mountains," many of Zhou Shen's OST songs, and Yu Kewei's Top Ten Classic OSTs. Therefore, an OST song referred to the song part of the original music in a film or television work.
The OST lineup for the second season of Celebrating Years had already been announced. Among them, Li Jian sang the theme song " In My Lifetime," Zhou Shen sang the ending song " Excuse me," Liang Long, Liu Duanduan, Zhang Haowei, and Guo Zifan performed the promotional song " Aiya." These songs would bring more musical elements to the second season of " Celebrating Years," adding more emotions and atmosphere to the plot.
Vegeta could be a great rival. He might see Goku's new position as God of Destruction as another thing Goku has achieved that he hasn't. This could fuel their competitive nature even more.
Goku does reach a state of immense power in the manga that rivals that of a God of Destruction. However, the specific title and all its implications might not be straightforwardly assigned to him. It's a complex development within the story.
Vegeta would be a great addition. His rivalry with Goku and his pride as a Saiyan would add an interesting dynamic. He might be initially jealous that Goku is getting to fight and train with the God of Destruction. But then he would also want to prove himself and join in the action. Whis could also be included. His knowledge and calm demeanor could help in situations where the power of Goku and the God of Destruction gets out of hand.
The OST lineup of " Celebrating the Second Season " included Li Jian, Zhou Shen, Liang Long, Liu Duanduan, Zhang Haowei, and Guo Zifan. They sang songs such as "In My Lifetime,""Excuse Me," and "Aiya." These songs were meant to continue the story of " Celebrating Years " with a melody and bring a new chapter to the audience. " The Second Season of Celebrating the Year " was an ancient drama adapted from Maoni's novel of the same name. It was starred by Zhang Ruoyun, Li Qin, and many other stars. The second season started filming on November 3, 2022, and was announced to be completed on October 17, 2023. It was aired on CCTV-8's primetime slot on May 16, 2024.