 The most important national rock singers and groups participated of the festival, along with some of the most notable international rock stars.Die Toten Hosen, Gustavo Cerati, Los Ratones Paranoicos, Divididos, Memphis, Bersuit Vergarabat, Café Tacuba, Babasónicos, Attaque 77, Los Pericos, Luis A.Spinetta, Mancha de Rolando, Intoxicados, El Otro Yo

The Wailers, The Offspring, Los Cafres, Mimi Maura, Molotov, Dancing Mood, Las Pelotas, Charly García, Los Piojos, Vox Dei, Paralamas, Pappo, Los Auténticos Decadentes, Catupecu Machu

Megadeth, Apocalyptica, The Wailers, Die Toten Hosen, Andrew Tosh, La Vela Puerca, Ska-P, Turf, Kapanga, No te va Gustar, Villanos, Massacre, Los Tipitos, Los Piojos, Cabezones, Almafuerte

The Megadeth show was filmed and later released in a DVD called "".The 2006 edition attracted approximately 200,000 people.