In the churches of Luther and Calvin, the musical emphasis was on: a. a return to Gregorian chant. b. spectacular polyphonic works. c. congregational singing. d. the inclusion of instruments in the service.

C. Congregational singing

Explanation: Congregational singing is the practice of the congregation joining in the music of a church, either in the form of hymns or in the form of the office of the liturgy. Several reasons why congregational singing is so important in the life of a church are:

1. It unifies the congregation

2. It is a great way to praise the lord

3. It is a wonderful way to pray together.

4. It solidifies and teaches spiritual truth.

5. It can aid in revival

since learning about his learning patterns, logan has become very aware of the thoughts and feelings he experiences as he listens to the “internal chatter” of his patterns.