They aren’t. They are often relatively unknown, but not in all cases. People who have represented the UK include. Cliff, Mary Hopkins, Lulu and Sandy Shore were all established artists before Eurovision.

All vocals must be performed live. No more than 6 people can take part in the performance. The song must not have been publicly released before 1st September; it should not have been performed in public or officially published on any media including but not limited to radio, TV and the Internet*.

• Fifty-two countries have participated in the Eurovision Song Contest since it started in 1956.
• Participation in the contest is primarily open to all broadcasters with active membership of the European Broadcasting Union (EBU).
• The relegation system used in 1994 and 1995 was reused between 2001 and 2003.

The ESC is a non-political event. No lyrics, speeches, gestures of a political, commercial or similar nature shall be permitted during the ESC. No swearing or other unacceptable language shall be allowed in the lyrics or in the performances of the songs.

Thanks for the A2A. Well the reasons are simple, we can’t send anyone with an established track record. That’s part of the rules of Eurovision.

In a nutshell. Each participating broadcaster that represents their country chooses their performer (maximum 6 people) and song (maximum 3 minutes, not released before) through a national televised selection, or through an internal selection.

Bosnia & Herzegovina: BHRT confirms they are still unable to participate at Eurovision due to unpaid debt to EBU. Bosnia and Herzegovina last compete at Eurovision 2016, and have been unable to compete since 2017 due to sanctions from unpaid debt. Now broadcaster BHRT has confirmed that the sanctions remain.