Classic is a Polish band that plays light, dance-based pop music-- known as 'disco polo' in Poland. It has gone through numerous personnel changes, with frontman Robert Klatt being the only constant. Their best known hit is "Hej Czy Ty Wiesz" (in English: "Hey, Do You Know").
These are photos from concerts where Classic played, so they may be of other bands that played the concert as well.
Foals
Lollapalooza Brasil 2013 Mar 29 - 31, 2013 São Paulo, São Paulo, Brazil Uploaded by Andres40ff
Vivendo do ócio
Kaiser Chiefs