"Pǔtōng DISCO" is an original Luo Tianyi and YANHE duet song that was produced by ilem. This song became overwhelmingly popular within its first week of existence. It is about how an ordinary person listens to an ordinary tune on an ordinary day at an ordinary street, and they feel an ordinary hype as they do an ordinary dance.
The PV has images and references Tuzki the Rabbit, an iconic character within the Chinese messaging community.
In September 2015, this song was featured at the V-master concert held at the Century City New International Convention & Exhibition Center.
To celebrate the new year of 2016, famous singer Chris Lee sang her own version of the song live on stage. ilem noted that the performance was meant to be a surprise for the audience.
This song has exceeded 100,000+ views on bilibili within its first week. It had exceeded 1,000,000 views on bilibili on April 4, 2015 and is the first song featuring Tianyi and YANHE that had reached this mark.
"The V-master Concert" was a 3D VOCALOID concert featuring the Vsinger VOCALOIDs. This concert marked Yuezheng Ling's first live concert appearance. It was held at the Century City New International Convention & Exhibition Center. The songs featured in the concert are Scarlet Drop, "Pink Lemon", Chángjiāng 7 Hào Chāo Méng Tègōng Duì, Yībàn Yībàn, FEEL YOUR DREAM, and "Pǔtōng DISCO".