"How could I know? You and my Wei Ying share the same birthday. That's why you're twin." He smiles in a cheerful upbeat. Seeing Wei Ying smiles and hearing his laughs.

"No, no they don't, but I can sing whatever song they have. Some of them are quite good and catchy. Come over to one of the stations and I'll sing for you."

As there are machines and a microphone, with seats around the station. "Come sit next to me and I'll sing you a few songs."