Óčko (stylised as Òĉko) is the first Czech music television channel, which started broadcasting in 2002. Majority of the audience are teenagers and people from the 12–35 age group.[citation needed] The program consists of music videos of music from all different genres including the latest hits. In addition to regular charts there are special shows, which concentrate only on certain music styles. The program also includes live concerts of Czech as well as foreign singers and bands. There is a big emphasis on interactivity. Up to 8 hours a day, the program is influenced by the viewers, who can either use email or SMS to vote for songs.