Context: Present-day Christian religious bodies known for conducting their worship services without musical accompaniment include some Presbyterian churches devoted to the regulative principle of worship, Old Regular Baptists, Primitive Baptists, Plymouth Brethren, Churches of Christ, the Old German Baptist Brethren, Doukhobors the Byzantine Rite and the Amish, Old Order Mennonites and Conservative Mennonites. Certain high church services and other musical events in liturgical churches (such as the Roman Catholic Mass and the Lutheran Divine Service) may be a cappella, a practice remaining from apostolic times. Many Mennonites also conduct some or all of their services without instruments. Sacred Harp, a type of folk music, is an a cappella style of religious singing with shape notes, usually sung at singing conventions.

Question: What is the name of the religious a cappella style used with shape notes?
Answer: Sacred Harp

Question: A cappella exists in some liturgical churches as an influence from what era?
Answer: apostolic times

Question: In the modern day, what broad religious group is most known to implement a cappella?
Answer: Christian religious bodies

Question: What are some present day Christian churces nolonger use the a capella form?
Answer: Unanswerable

Question: what era influences todays secular a capella?
Answer: Unanswerable

Question: What is a secular folk music song in a capella.
Answer: Unanswerable

Question: What is the name of the Mennonite style of singing used with shape notes?
Answer: Unanswerable

Question: From what time does harp folk music exist in some churches?
Answer: Unanswerable

Question: What are some examples of present-day Christian churches that use instruments during worship services?
Answer: Unanswerable

Question: What church services use Sacred Harp, that is a practice from apostolic times?
Answer: Unanswerable

Question: In present times, which group is know to use shape notes in religious services?
Answer: Unanswerable