It is one of the biggest annual music festivals in Poland.

[2] The first Open Air Festival was held in Tor Stegny in Warsaw in 2002, with The Chemical Brothers playing on the main stage.

[4] The main organizer of the festival is the concert agency Alter Art.

In 2016, there were 5 stages: Orange Main, Alter, Beat, Firestone and Tent.

Artists also performed in the Silent Disco Area and at the seaside of Gdynia on Gdynia Open Stage, where events are free to attend.