Taipei's Calling (OMSC 15)

Taipei's Calling (OMSC 15) was the 1ˢᵗ edition of the Taiwanese music competition Taipei's Calling and was held between the 6ᵗʰ June 2021 and the 7ᵗʰ June 2021. Ten artists participated in this edition of the contest hoping to represent their country, Taiwan, at the OMSC 15.

The winner of the contest were G5SH with the song "Limelights". They represented Taiwan in OMSC 15 in Helsinki, Finland, placing TBA with TBA points.

Format
Taipei's Calling (OMSC 15), organised by Taiwan Television (TTV), was the first edition of the contest to determine the Taiwanese representative/s for OMSC 15. The qualification round was held on the 6ᵗʰ June 2021, while the final was held on the 7ᵗʰ June 2021. They were both held in Taipei, the capital of Taiwan, where ten songs were performed.

Voting
The televote influenced the results at 100%, as the voting consisted uniquely in public votes.

After the artists' performances, the televoting was opened and after votes were casted, it was closed and the winner was announced.

Competing Entries
The three competing songs were announced to the public on the 7ᵗʰ June 2021.

Final
The final took place on the 8ᵗʰ June 2021 in Belgrade.