Klasična 21 transmits Belgium songs that vary too from genre to genre. Its main vision is to play what their listeners want to listen or if saying the other way what their audience would like to listen. It is Launched on 1 April 2004.
| Ime | : | Klasična 21 |
| Vrsta | : | MP3 |
| Država | : | Belgija |
| : | facebook.com/classic21 | |
| : | twitter.com/Classic21 | |
| Spletna stran | : | www.rtbf.be/classic21 |
