Héchàngtuán zài yīnyuèhuì shàng biǎoyǎn le sān shǒu gē.
The choir performed three songs at the concert.
Tips
grammar
合唱 (héchàng) means 'to sing in chorus' and works as both a verb and a noun. Adding 团 (tuán, group/troupe) makes it the organization: 合唱团 = choir/choral group.
