Over the years, the Sonar festival in Barcelona has gained a lot of popularity, and there are thousands of people who are considering it every year. Featuring electro, hip hop and alternative dance music from all over the world, the festival is certain to entertain anyone who decides to participate. Those who don’t have the time to go to this festival in the weekdays, going on a Friday is the best choice, because it allows them to encompass “Sonar By Night”. Being a UK club junkie and spending most of my time listening to this type of music, I didn’t…