Sambo, the performer of the music disc, finished his last performance in Beijing on September 20th and was admitted to Peking Union Medical College Hospital due to illness.
2. 10 On June 7th, Sambo suffered from heart failure and was rescued in time. For health reasons, Sambo decided to take a break from butterfly-related work.
In the follow-up interview, Sambo's wife won't let him participate in Butterfly again.