Choirs are interesting.  They are also known as a quire, chorale, or chorus.
Are you talking about the groups with a large amount of people singing different tones and ranges to make a song?
Yes indeed.  They may perform music from a classical music repertoire.
Oh wow.  What's your favorite classical song?
Choir
A choir (; also known as a quire, chorale or chorus) is a musical ensemble of singers. Choral music, in turn, is the music written specifically for such an ensemble to perform. Choirs may perform music from the classical music repertoire, which spans from the medieval era to the present, or popular music repertoire. Most choirs are led by a conductor, who leads the performances with arm and face gestures.
A body of singers who perform together as a group is called a choir or chorus
Current Classical.
Perth is home to the West Australian Symphony Orchestra which performs a regular programme of orchestral music, usually from its base at the Perth Concert Hall; it also tours regional Western Australia. There are a large number of smaller professional, semi-professional and non-professional music groups and choral societies and choirs which perform in a variety of venues in and around Perth. Repertoire ranges from baroque to contemporary.
The West Australian Youth Music Association (or WAYMA), allows the youth of Perth to experience playing