What sets Xia, Qingzi, Su, Yutang, Li, and Rongrong apart from their peers is their "extra quality." This intangible attribute refers to the unique energy they bring to their performances, an unexplainable charm that captivates their audience and leaves a lasting impression. It's the sparkle in their eyes when they perform, the infectious enthusiasm that spreads to their fans, and the genuine joy they exhibit in their work.