Every Year, 15 SENIOR HIGH SCHOOL SURABAYA ( LIBELS ) holds The biggest event in GERBANGKERTASUSILA. Yes everyone knows that's LIBELS CUP. And this year LIBELS CUP 2k19 held from 6 until 27 April 2019. This event is decided for sport competence like basketball, volleyball, football, and dance. Each category held in a different place.

Now on 27 April 2019, it's time for Closing Party Libels Cup 2k19 with YOWIS BEN as guest star. This event held in DBL ARENA, SURABAYA.starting at 15.00 visitors are welcome to enter because the gate closes at 17.00. because we not only display the closing party but there are also men's and women's basketball final matches start from 16.00.

At 16.00 the match of women's basketball brings up 15 Senior High School SBY vs PETRA 1 Senior High School SBY. This match was very intense. And the result, 15 Senior High School SBY come out as a champion for women's basketball category with score 46-44. At 17.00, the match of boy's basketball brings up 15 Senior High School SBY vs 20 Senior High School SBY. The match 4 round was played very well by 15 Senior High School and finally, 15 Senior High School came out as champions for boy's basketball category with score 56-28.

at 19.00 Yowis Ben as a guest star was greeted with fanfare from dbl visitors who were very full and eagerly awaiting yowis ben. This is the first stage of Yowis Ben. by presenting songs they reliably make the visitors dbl dance and sing happily. until 21.30 yowis ben ended his performance with a big round of applause from the visitors of the arena.yowis ben very appreciates sman 15 and dbl visitors. they were very happy and grateful for the very warm welcome from the visitors.

the chairman of the libels cup committee ( Randy Dwi S. ) said "I am very happy because the event went well and I am proud and salute the appreciation of visitors to our guest stars. Thank you to all the parts who have participated in the success of the Libel Cup. See you in the next Libels Cup. "