Examples:
* Not capitalized: The choir sang beautifully.
* Capitalized: The St. Cecilia's Choir is renowned for its performances.
Exceptions:
* If "choir" is used as a part of a title, it may be capitalized according to the specific style guide (e.g., APA, MLA, Chicago).
In summary:
* General rule: Do not capitalize "choir" unless it is part of a proper noun.
* Exceptions: Follow specific style guides for titles.