Vendujo debuted in the eighth edition of Zendari Song Contest.Prequell and Rae Morris were selected by Television Entertainment Vendujo to represent the country. Their song was revealed to be "Part XIV" on August 11th, 2018. On the September 6th, Vendujo was the last qualifier to be called and qualified to the final on their debut. On September 23rd, at the final, Vendujo placed 11th and it was later revealed that they came 2nd in the first semi-final, being beaten by Titonüi by one placement in both the final and semi-final.
On September 6th, Vendujo confirmed their participation in Zendari Song Contest 9. On September 24th, TEV announced Ralph as their representative with the song "Cold to the Touch". However, on October 17th, Vendujo was banned from competing in the Zendari Song Contest forever.
Vendujo debuted in the first edition of Zendarifestivalen, and have competed in every edition since, failing to qualify from editions one through four, while making it to the Second Chance round in the second edition. Vendujo qualified directly to the final of the fifth edition and placed 11th, getting their best result yet.
Vendujo debuted in the first edition of Themedari Song Contest in Xaliqtyva. They qualified in the first edition, which marked Vendujo's first appearance in a Zendari final. During the final, Vendujo placed 24th out of 26 entries, and received 40 points. It was later revealed that in the semi-final, Vendujo had placed 8th place out of the 13 qualifiers, and had received 58 points. Vendujo also confirmed participation for the second edition, but on August 8th 2018 it was revealed that the edition was to be cancelled.
* Note 1 - After a scandal regarding the behaviour of the Vendese delegation, it was determined that Vendujo would no longer be able to take part in Zendari Song Contest. This meant that all of their points in Zendari Song Contest 9 were nullified, and that they were automatically placed last in the semi-final in which they were due to perform in.