"Yè Wǔ" is an original demo song featuring Luo Tianyi V4's Power voicebank. The song made its debut at the bilibili Macro Link 2016 concert and is the first to showcase her V4 update to the public. This song encourages people to forget about what happened during the day and simply dance to enjoy the moment. Once they start dancing, all of their worries will go away and the feeling of freedom takes its place.