Libels party or we can call it liberty. Liberty is an event held by SMAN 15 Surabaya. Liberty has a different theme each year from "Art Fusion." until "counterfeit contemplation."

This year, liberty was held at JX International used a theme "Aetherealm.". Aetherealm comes from 3 words : aether, ethereal, and realm. That means a magnificent world beyond the sky. This year liberty is very crowded because of the arrival of the fakous guest star named sobat ambyar. Besides sobat ambyar there were kahitna and reality club as guest stars.

The audience was very impatient for waiting the appearance of sobat ambyar brought Didi Kempot. In addition to the performance of Didi Kempot the audience was very eager to sing when the performance kahitna with the famous song about the love story. Unfortunately at the time of the appearance of the reality club only a few spectators were excited to see its performance.

Unlike the previous years this time linerty was very lively "Liberty is very cool. Besides that, liberty is one of the best concerts i have ever been to." said one of liberty audience