Which episode of the second season of Oudi God of Songs is the song about singing?

Issue 6. According to iQiyi information, in the sixth issue of "Oudi Singer Season 2", Da Zhangwei performed songs such as "Beer Shuang", "Sunshine Rainbow Little White Horse" and "Calabash Baby" live, and also adapted " "Song of Green Onions" and danced live with Xie Na, wowing the audience. "Oudi Singer Season 2" is a music-based pure online variety show produced by the iQiyi video website.