Wonderful Song Contest 21

Wonderful Song Contest 21 will be the twenteenth edition of the Wonderful Song Contest. The contest took place in Spain after their victory in the 19th edition. A total of 66 countries competed in Wonderful Song Contest 20. ,, , , , , , , , , , , and returned to the contest. The top 6 from the last edition, , , , and  are directly qualified to the final, while the other competing countries are split into two semi finals. The Semi Final allocation draw took place on 22 May 2018 in the WBU headquarters in Prague, where the other competing countries were split into two semi finals. The running order was announced on TBA.

The contest was won by and the winning song was Lo Malo performed by Ana Guerra & Aitana. After won the contest for the second time,   and  finished 2nd and 3rd respectively and they will be directly qualified to the final of the 19th edition which will take place in Astana. A total of 0 countries failed to submit their votes in the final which means they won't be able to compete in the next edition.

Hosting Information
On 15 June 2018 it was announced that Barcelona will serve as the host city of the Wonderful Song Contest 20.

Bidding phase
Only one main venue was announced as possible venue for the competition to be held. It has a capacity of 20,000 and several big concerts and sport events take place here.
 * The host city had to be near a major airport.
 * The venue must be available for at least six weeks before the contest and one week after the conclusion of the contest
 * The venue must not be open-air, but an air-conditioned building with a capacity of at least 10,000 and a minimum ceiling height of 15 metres (49 ft), insulated for sound and light.
 * The green room must be located as close to the arena as possible (or within it), with a capacity of 300.

Presenters
On 15 June 2018 it was announced TBA is host of Wonderful Song Contest 21