Onassis Day has had 1 concert.

Onassis Day is most often considered to be Alternative Metal, Nu Metal, and Rap Metal Espanol.

The last Onassis Day concert was on April 19, 2007 at La Farga de L'Hospitalet in L'Hospitalet de Llobregat, Catalonia, Spain. The bands that performed were: Mägo de Oz / Onassis Day.