This article is an introduction to the book of Psalms. The arrangement and collection of the Psalms is discussed as well as the singing of the Psalms (the Psalms as part of the liturgy and songbook). The history of the Psalmody is also mentioned. The author also looks at Jesus Christ and the Psalms and the interpretation of the Psalms.

The songbook of the church should be careful for cheap sentimentality and individualistic songs. It should focus on the great deeds of God.

This article looks at the fact that the songbook of the church should have hymns of the church all through the ages and all over the world.