What is the source of what is usually called ancall after a concert?

Anke originated from 20 17 12 16. The "Sandy Lam Pranava/Composer World Tour Concert Anke Shaoxing Railway Station" jointly sponsored by Ju Orange Network, Shaoxing Ticketing and Wan You Music Department will be staged in Shaoxing Olympic Sports Center Gymnasium. Here, Anke Shaoxing Railway Station means to return to the concert and return to Shaoxing for a concert tour.

On September 29th, Eason Chan will sing in the Workers' Stadium. It is said that in the ancall session, he will satisfy any song request of the live fans.

So far, ancall has become a link that everyone expects, and artists will plan their performances in a call stage in advance. However, according to the convention, even if there are arrangements in advance, Anke's songs will not appear in the concert or concert program.

Extended data:

"ancall" is a transliteration of "Encore". After many concerts, everyone will shout "encore, encore" together, which means to return at the request of fans after the performance.

At the end of the concert, the band will continue to play the climax of the last song. After the concert, subtitles will appear on the big screen, indicating that the concert is over. When the final climax is over, everyone will shout "encore, encore", which means returning to the scene at the request of fans after the performance.