Sónar is an annual three-day music festival held in Barcelona. The festival runs for three days and nights. Annually there are around 80,000 visitors to the festival.

With this application that you are able to download on-line for free, you can buy the ticket on-line by simply giving out your credit card number. It also provides you with all necessary information regarding the festival: the concert schedule, upcoming artists, information about the artists, key general information, and most attractive option for people who tend to get lost in crowded places, the friend's radar!.

Project by Sergio Castro, Alex Gunnarsson, Oliver Pecharromán and Maja Zalaszewska