コーラス

こーらす
noun
chorus
music
1. chorus; choir
A group singing together, or the act of singing together in a group.
I joined the school chorus club.
I participate in a local chorus group, and we hold a concert once a year.
2. chorus; refrain
The repeated section of a song, typically the catchiest part. Also called サビ in Japanese.
We all sang the chorus together.
I like the chorus part of this song.
When the chorus kicked in, the audience started clapping all at once.

Two meanings

1. A group singing together (合唱(がっしょう))
2. The refrain/hook section of a song (also called サビ)

CHOIR/GROUP singing

Song structure

NOTE ON サビ:
In Japanese pop music, the chorus is often called サビ, while コーラス specifically refers to the group singing or backup vocals.

Common collocations