noun
singing contest; singing match
Refers to a competition where individuals or groups sing against each other, often in a festive or TV-show context.
年末の歌合戦は毎年楽しみにしている。
I look forward to the year-end singing contest every year.
カラオケ大会で歌合戦をしよう。
Let's have a singing match at the karaoke party.