quaeritor wrote:so what is Choir Dress (and what is it for if not for the Choir?)?
Not sure I count as knowledgeable, but photos of choir dress can be seen on the
wikipedia page. (And if its on wikipedia, it must be true!)
Choir is architecturally that bit of a traditional church where those who sing sit - on each side of the nave, facing each other but between the congregation and the sanctuary. The name for the vocal ensemble following from their natural habitat. Originally this was where clergy, or monks of the abbey, sat and sang, a musical choir of lay people being a later development standing proxy for clerical choirs:
Pius X Tra le Sollecitudini 1903 wrote:...therefore, singers in the church, even when they are laymen, are really taking the place of the ecclesiastical choir." (12)
although I think we'd argue that the choir is no longer standing proxy for a choir of clerics.
So there's a historical tension here between clerical and lay people both occupying this space and being vested. Our (musical) choirs being vested follows from the fact that the original inhabitants of this space were vested, but not laity.
Someone will no doubt correct me if I'm wrong about this, but I think that's the gist of it.