Churches (within the Presbyterian Church), whose worship style places emphasis on a liturgical form of worship, with emphasis of the sacraments. This form of Presbyterianism tends to follow the following criteria: 1) highly structured worship 2) places emphasis on quality instrumental and vocal music (organ) 3) includes any of the following a) The Sanctus b) a Fraction Anthem c) a Processional/Ressesional d) has more than one choir and 4) utilizes responsive readings heavily.

Literally everyone, ever. Including the writer of this definition.