"There's no space or time limit in dreams, so there are many possibilities," Liu said of her concert's theme at a press conference in Beijing on Sunday.

The singer only gave herself three days off during Spring Festival to perfect her performance, and even then, she still spent most of the holiday practicing at home.

Liu also told reporters that she may wear a nightgown at the concert, in keeping with the theme, but "the costume designer will make it more stylish."

Some of Liu's friends in the entertainment industry will guest perform at the concert, but the singer declined to reveal their names.