In fact, there was another person wearing earplugs, Mr. Wei. First of all, Mr. Wei didn't know whether Wu Hai sang well or not. Secondly, he didn't see Zheng Jiawei wearing earplugs, because Zheng Jiawei's speed was really too fast.
The reason he did this was because he felt that God had opened up a path to heaven for him, so it would definitely be closed and sealed. Therefore, Mr. Wei felt that it was too dangerous. He would observe the crowd's reaction first before deciding whether to take off the earplugs.
Then, when Wu Hai finished the first line, everyone at the scene was filled with question marks.
Immediately after, the young companions present would wonder what they had heard!
There were many ways to describe a person's singing, such as tone-deaf, quaking, and aesthetic sense. However, none of these could describe Wu Hai's voice.