A documentary film featuring an annual world concert tour by K-pop artists managed by S.M. Entertainment will open in theaters of South Korea, Japan and China this summer, the entertainment agency said Friday.

The film titled "SMTown the Stage" followed the fourth edition of the event that took the agency's biggest artists such as Kangta, BoA, TVXQ, Super Junior, Girls' Generation, SHINee, f(X) and EXO, to Seoul, Tokyo and Shanghai and other Asian cities from August to October last year.