OMSC 21

Online Music Song Contest 21, often referred to as OMSC 21, was the twenty-first edition of Online Music Song Contest, held in Yerevan, after Armenia won the previous edition of the contest.

The Pre-Qualification Round of OMSC 21 occured on the 5ᵗʰ December 2021, the Semi-Finals on the 12ᵗʰ December 2021 while the Final occured on the 12ᵗʰ December 2021. Fifty countries participated in the twenty-first contest, under the slogan “???”.