On 2 September 2021, ERR opened the submission period for artists and composers to submit their entries up until 20 October 2021 through an online upload platform. Each artist and songwriter was able to submit a maximum of five entries. Foreign collaborations were allowed as long as one of the songwriters were Estonian and that there were a maximum of two foreign songwriters, one being the composer and one being the lyricist. A fee was also imposed on songs being submitted to the competition, with €50 for songs in the Estonian language and €100 for songs in other languages. 202 submissions were received by the deadline, of which 84 were in Estonian with the remaining in English, French, Spanish, Italian and an imaginary language. A 17-member jury panel consisting of Andi Raig, Bert Järvet, Eda-Ines Etti, Eric Kammiste, Heili Klandorf, Henri Laumets, Hugo Martin Maasikas, Jürgen Pärnsalu, Kadiah, Kaspar Viilup, , , Leonardo Romanello, Liis Lemsalu, Meelis Meri, Tarmo Hõbe and selected 40 quarter-finalists from the submissions and ten of the selected songs were announced each week on the ETV entertainment program , between 15 November 2021 and 7 December 2021.
